Equity Valuation: single holding period. How to calculate on a TI BA-II Plus.

1. A stock sells for 87.00 one year from now giving a total return of 8%. What is the dividend if the stock was originally purchased for 82.00?

2. What does a stock have to sell for one year in the future, if it currently sells for$75, has a planned dividend of$1.87 a share and an expected return of 14%?

Debt valuation:what am I doing wrong?

1. A $1,000 bond matures in six years. It pays $35 every six months. The current market price is 1,075. What is the yield? I keep getting 5.4987 but worksheet says answer is 5.51. What am I doing wrong? 1000=FV, 1075=PV, 6=N, 70=PUT

2. A bond issued with a face value of $1,000 pays 6% coupon rate semiannually. It matures in four years. Current market interest is 7.5%. What is the price? I had 1000=FV, 60=PMT, 4=N, and 7.5=I/Y my answer was 949.76 worksheet answer us 948.98. What am I doing in the calculator wrong to not get these answers?