You have opened an account with a local broker & you placed an order for 4,000.0 shares of KLM corp. @ $8.0 a share. The initial margin is 50.0%; the brokers rate is 6.0% and the maintenance margin is 30.0%. Assume that the you paid cash for KLM shares above. If the stock price goes up to $12.0 a share, your annual return would be:- Select one:

a. 100.0%

b. 50.0%

c. 85.0%

d. 94.0%

please very fast :(