[Note: Please DO NOT enter commas, spaces or £ signs within the number you enter.]
The cash flows of a project are set out below:
| year | £ |
|---|---|
| Year 0 | (28,000) |
| Year 1 | 18,000 |
| Year 2 | 16,000 |
Using the Table in Book 11, what is the project\'s net present value using a discount rate of 10%?
If it is negative, put a minus sign before the number you enter.
£
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£(18,000 x 0.9091) + (£16,000 x 0.8264) - £28,000 = £1,586.2 (the factors are found in the Table 1 of the Appendix to Book 11)
Book 11 Electronic Activity 6.3 Screen F2
', 'tolerance' => '0', 'id' => 12729, ), 12730 => (object) array( 'question' => '4165', 'answer' => '*', 'fraction' => '0', 'feedback' => 'The correct answer is £1,586.Note to the answer:
£(18,000 x 0.9091) + (£16,000 x 0.8264) - £28,000 = £1,586.2 (the factors are found in the Table 1 of the Appendix to Book 11)
Book 11 Electronic Activity 6.3 Screen F2
', 'tolerance' => '0', 'id' => 12730, ), ), 'units' => array( ), ), 'hints' => false, ); $qsession = (object) array( 'id' => '39882', 'attemptid' => '4034', 'questionid' => '4165', 'newest' => '92971', 'newgraded' => '92971', 'sumpenalty' => '1', 'manualcomment' => '', 'manualcommentformat' => '1', 'flagged' => '1', ); $qstates = array( 92694 => (object) array( 'attempt' => '4034', 'question' => '4165', 'originalquestion' => '0', 'seq_number' => '0', 'answer' => '', 'timestamp' => '1178564323', 'event' => '0', 'grade' => '0', 'raw_grade' => '0', 'penalty' => '0', 'id' => 92694, ), 92764 => (object) array( 'attempt' => '4034', 'question' => '4165', 'originalquestion' => '0', 'seq_number' => '1', 'answer' => '17520', 'timestamp' => '1178567143', 'event' => '2', 'grade' => '0', 'raw_grade' => '0', 'penalty' => '1', 'id' => 92764, ), 92971 => (object) array( 'attempt' => '4034', 'question' => '4165', 'originalquestion' => '0', 'seq_number' => '2', 'answer' => '17520', 'timestamp' => '1178567143', 'event' => '6', 'grade' => '0', 'raw_grade' => '0', 'penalty' => '1', 'id' => 92971, ), ); $qa = $this->updater->convert_question_attempt($quiz, $attempt, $question, $qsession, $qstates); $expectedqa = (object) array( 'behaviour' => 'deferredfeedback', 'questionid' => 4165, 'variant' => 1, 'maxmark' => 1, 'minfraction' => 0, 'maxfraction' => 1, 'flagged' => 0, 'questionsummary' => "Calculate your answer to the nearest WHOLE £ and enter it in the blank space provided. \n\n[Note: Please _DO NOT_ enter commas, spaces or £ signs within the number you enter.] \n\nThe cash flows of a project are set out below: \n\n \t\tYEAR \n \t\t£ \n\n \t\tYear 0 \n \t\t(28,000) \n\n \t\tYear 1 \n \t\t18,000 \n\n \t\tYear 2 \n \t\t16,000 \n\nUsing the Table in Book 11, what is the project's net present value using a discount rate of 10%? \n\nIf it is negative, put a minus sign before the number you enter. \n\n£", 'rightanswer' => '1586', 'responsesummary' => '17520', 'timemodified' => 1178567143, 'steps' => array( 0 => (object) array( 'sequencenumber' => 0, 'state' => 'todo', 'fraction' => null, 'timecreated' => 1178564323, 'userid' => 405, 'data' => array('_separators' => '.$,'), ), 1 => (object) array( 'sequencenumber' => 1, 'state' => 'complete', 'fraction' => null, 'timecreated' => 1178567143, 'userid' => 405, 'data' => array('answer' => 17520), ), 2 => (object) array( 'sequencenumber' => 2, 'state' => 'gradedwrong', 'fraction' => 0, 'timecreated' => 1178567143, 'userid' => 405, 'data' => array('answer' => 17520, '-finish' => 1), ), ), ); $this->compare_qas($expectedqa, $qa); } public function test_numerical_deferredfeedback_required_units() { $quiz = (object) array( 'id' => '2', 'course' => '2', 'name' => 'Numerical quiz', 'intro' => '', 'introformat' => '1', 'timeopen' => '0', 'timeclose' => '0', 'attempts' => '0', 'attemptonlast' => '0', 'grademethod' => '1', 'decimalpoints' => '2', 'questiondecimalpoints' => '-1', 'review' => '4459503', 'questionsperpage' => '1', 'shufflequestions' => '0', 'shuffleanswers' => '1', 'sumgrades' => '5.00000', 'grade' => '10.00000', 'timecreated' => '0', 'timemodified' => '1305273177', 'timelimit' => '0', 'password' => '', 'subnet' => '', 'popup' => '0', 'delay1' => '0', 'delay2' => '0', 'showuserpicture' => '0', 'showblocks' => '0', 'preferredbehaviour' => 'deferredfeedback', ); $attempt = (object) array( 'id' => '6', 'uniqueid' => '6', 'quiz' => '2', 'userid' => '2', 'attempt' => '1', 'sumgrades' => '4.00000', 'timestart' => '1305273566', 'timefinish' => '1305273600', 'timemodified' => '1305273600', 'layout' => '6,12,13,15,14,0', 'preview' => '1', ); $question = (object) array( 'id' => '15', 'category' => '2', 'parent' => '0', 'name' => 'Required units', 'questiontext' => 'What is twice 1.5 m?
', 'questiontextformat' => '1', 'generalfeedback' => '', 'generalfeedbackformat' => '1', 'penalty' => '0.1000000', 'qtype' => 'numerical', 'length' => '1', 'stamp' => 'tjh238.vledev2.open.ac.uk+110513075857+rrvakr', 'version' => 'tjh238.vledev2.open.ac.uk+110513075857+PH0loi', 'hidden' => '0', 'timecreated' => '1305273537', 'timemodified' => '1305273537', 'createdby' => '2', 'modifiedby' => '2', 'maxmark' => '1.0000000', 'options' => (object) array( 'answers' => array( 22 => (object) array( 'id' => '22', 'question' => '15', 'answer' => '3', 'answerformat' => '0', 'fraction' => '1.0000000', 'feedback' => '', 'feedbackformat' => '1', 'tolerance' => '', ), ), 'units' => array( 0 => (object) array( 'id' => '7', 'question' => '15', 'multiplier' => 1, 'unit' => 'm', ), 1 => (object) array( 'id' => '8', 'question' => '15', 'multiplier' => 100, 'unit' => 'cm', ), ), 'unitgradingtype' => '2', 'unitpenalty' => '0.5000000', 'showunits' => '0', 'unitsleft' => '0', 'instructions' => 'Write an answer like 3 m.
', 'instructionsformat' => '1', ), 'defaultmark' => '1.0000000', ); $qsession = (object) array( 'id' => '49', 'attemptid' => '6', 'questionid' => '15', 'newest' => '139', 'newgraded' => '139', 'sumpenalty' => '0.1000000', 'manualcomment' => '', 'manualcommentformat' => '1', 'flagged' => '0', ); $qstates = array( 129 => (object) array( 'id' => '129', 'attempt' => '6', 'question' => '15', 'seq_number' => '0', 'answer' => '|||||', 'timestamp' => '1305273566', 'event' => '0', 'grade' => '0.0000000', 'raw_grade' => '0.0000000', 'penalty' => '0.0000000', ), 134 => (object) array( 'id' => '134', 'attempt' => '6', 'question' => '15', 'seq_number' => '1', 'answer' => '3|||||m', 'timestamp' => '1305273595', 'event' => '2', 'grade' => '0.0000000', 'raw_grade' => '1.0000000', 'penalty' => '0.1000000', ), 139 => (object) array( 'id' => '139', 'attempt' => '6', 'question' => '15', 'seq_number' => '2', 'answer' => '3|||||m', 'timestamp' => '1305273595', 'event' => '6', 'grade' => '1.0000000', 'raw_grade' => '1.0000000', 'penalty' => '0.1000000', ), ); $qa = $this->updater->convert_question_attempt($quiz, $attempt, $question, $qsession, $qstates); $expectedqa = (object) array( 'behaviour' => 'deferredfeedback', 'questionid' => 15, 'variant' => 1, 'maxmark' => 1.0000000, 'minfraction' => 0, 'maxfraction' => 1, 'flagged' => 0, 'questionsummary' => 'What is twice 1.5 m?', 'rightanswer' => '3 m', 'responsesummary' => '3 m', 'timemodified' => 1305273595, 'steps' => array( 0 => (object) array( 'sequencenumber' => 0, 'state' => 'todo', 'fraction' => null, 'timecreated' => 1305273566, 'userid' => 2, 'data' => array('_separators' => '.$,'), ), 1 => (object) array( 'sequencenumber' => 1, 'state' => 'complete', 'fraction' => null, 'timecreated' => 1305273595, 'userid' => 2, 'data' => array('answer' => '3 m'), ), 2 => (object) array( 'sequencenumber' => 2, 'state' => 'gradedright', 'fraction' => 1, 'timecreated' => 1305273595, 'userid' => 2, 'data' => array('answer' => '3 m', '-finish' => '1'), ), ), ); $this->compare_qas($expectedqa, $qa); } }