making some silly mistake but don't know which. these 2 plz

You have just won a lawsuit and, as part of the judgement, you will be receiving semi-annual payments of $10,000 over the next eight years. The first payment will occur six months from today. You plan on investing these payments and you expect to earn a return of 7% p.a. a compounded on a monthly basis. The future value of this investment at the end of its time horizon is closest to: $176,283. $205,196. $209,711. $210,569. You have just arranged a three-year bank loan for $150,000 at an interest rate of 8% p.a. with interest compounded monthly. The loan will be repaid in equal monthly instalments and the first payment will be due one month from today. Assuming end-of-the-month cash flows, the total interest paid in the second month of the loan will be closest to: $975. $1,000. $3,700. $4,700