Bob has formed an LCC in order to finance a one-period investment project. The project requires an investment of 1,000 and has a 1/2 probability of yielding 2,100 and a 1/2 probability of yielding 900. If Alice decides to lend the money to Bob at an insert rate of 25%, her expected rate of return will be ___%.

A.) 5

B.) 25

C.) 12.5

D.) 7.5