... Year 1 2 3 4 5 6 7 8 9 10 Return (%) 2.2 6.2 8.9 9.3 10 .5 11 .7 12 .3 14 .1 15 .3 18 .4 The geometric mean return (%) is closest to: A. 9.62. B. 10 .80. C. 10 .89. ... Robinson, CFA, Jan Hendrik van Greuning, CFA, Karen O’Connor Rubsam, CFA, R. Elaine Henry, CFA, and Michael A. Broihahn, CFA 2 010 Modular Level 1, Vol. 3, pp. 10 6 -10 8 Study Session 7- 31- d Describe ... 0 .18 1 818 . Average price is (20 + 15 ) / 2 = 17 .5 and the percentage change in price is 5 / 17 .5 = 0.285 714 . The elasticity of supply is 0 .18 1 818 / 0.285 714 = 0.636364. By accessing this...