The rate of return of apple inc. over the last five years was 17%, 11%, -2%, 3% and14%. For the same period HCL had the rate of return of 16%, 18%, -6%, 1% and 22%. What is the arithmetic return on each stock? (a) 8.60% and 10.2% (b) 4.56% and 7.80% (c) 3.45% and 10.2% (d) 8.60% and -10.20%