Appendix 4 • Suggested answers to selected problem questions
Working capital
20X1 20X2 20X3
£ 000 £ 000 £ 000
Tracker sales revenues 2,160 2,208 1,104
Lost Repro revenue (540) (552) (276)
Net increase in revenue 1,620 1,656 828
15% thereof 243 248 124
7.1
(a)Specific risk factors might include:
l the possible loss of business to the Channel Tunnel;
l decline in trade between the UK and western Europe;
l a loss of interest among UK residents in taking holidays in western Europe; and
l bad publicity arising from an accident involving one of the business’s vessels.
(b)Systematic risk factors might include:
l levels of interest rates;
l fuel prices; and
l levels of demand in the economy.****
7.5 Court plc
(a)
Year rm rm−Dm (rm−Dm)^2 ri ri−Di (ri−Dm)(ri−Di)
1 0.13 0.07 0.0049 0.19 0.12 0.0084
2 (0.07) (0.13) 0.0169 (0.08) (0.15) 0.0195
3 (0.13) (0.19) 0.0361 (0.12) (0.19) 0.0361
4 0.04 (0.02) 0.0004 0.03 (0.04) 0.0008
5 0.08 0.02 0.0004 0.08 0.01 0.0002
6 0.10 0.04 0.0016 0.17 0.10 0.0040
7 0.15 0.09 0.0081 0.14 0.07 0.0063
8 0.16 0.10 0.0100 0.14 0.07 0.0070
9 0.16 0.10 0.0100 0.14 0.07 0.0070
10 (0.02) (0.08) 0.0064 0.01 (0.06) 0.0048
∑rm= 0.60 ∑(rm−Dm)^2 = 0.0948 0.70 =∑ri 0.0941 =
Dm= D ==∑ri ∑(rm−Dm)(ri−Di)
= 0.06 =0.07
Var(rm) =0.0095
Cov(ri, rm) ===0.0094
β===1.0
(b) Since Court’s beta is 1.0, irrespective of the risk-free rate, if the expected return from
equities generally is 12 per cent, then the expected return from Court will also be
12 per cent.
0.0094
0.0095
Cov(ri, rm)
Var(rm)
0.0941
10
∑(rm– Dm)(ri−Di)
10
0.0948
10
0.70
0.10
0.60
0.10
Chapter 7
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