Mr. Joe Davison is running a genuine storage business in United States of America and he wants to raise capital to be matured in 7 years. Suggest him an appropriate security issued by US Treasury security. Mr. Khalid Mohammed is planning to invest on four Securities. The following details are given below. You are required to calculate the expected rate of return for individual and overall. Stocks Probability Return A . 30% 12% B 50% 5% C 60% 2.5% D 40% 10%