I need help in these questions. Please answer them 100% correctly. Please make them correct, dont answer wrong, be sure.

49. A lender has retained the right to service a mortgage loan whose balance is $100,000 and whose monthly payment is $678. If the lender charges an annual service fee of 0.36%, how much will the lender forward to the debt- security investor this month? A. $648 B. $720 C. $750 D. $31.25 time horizon: 50. The direct income capitalization model employs ........... A. an infinite B. a 5-to-10 year C. lagged Dvariable