SOLUTIONS TO QUESTIONS 429
Table A2.21
A B C Total
No. units 150,000 200,000 350,000 700,000
Sales revenue 7,500,000 7,000,000 8,750,000 23,250,000
Variable costs 3,000,000 3,400,000 4,900,000 11,300,000
Contribution (total) 4,500,000 3,600,000 3,850,000 11,950,000
Average contribution per unit of volume £17. 07
Table A2.22
Col A Col B
Year 0
Col C
Year 1
Col D
Year 2
Col E
Year 3
Cash flows 10,000 10,000 10,000
Present value 22,459
Initial investment −18,000
NPV 4,459
Solutions for Chapter 12
12.1
Formula for present value=+NPV (16%, C3:E3). The cash flows are entered in columns C
(Year 1) to E (Year 3). See Table A2.22.
To calculate IRR using the spreadsheet function, a negative figure (the initial cash
investment) must be part of the range of values.
Formula for IRR=+IRR (B3:E3).
Year 0 Year 1 Year 2 Year 3
Cash flows −18,000 10,000 10,000 10,000
IRR 31%
12.2
See Table A2.23.
12.3
Payback
ProjectA 2.5years ( 100 + 200 + 1 / 2 × 50 )
ProjectB 3years ( 40 + 100 + 210 )
ProjectC 2years ( 200 + 150 )