still need some assistance with this

3. What's the present value of $3,700, discounted at 10-percent interest per period, for one period? (Round your answer to the nearest dollar.) A. $3,330 B. $3,555 C. $4,070 D. $3,637 4. Roy's Welding common stock sells for $48.96 a share and pays an annual dividend that increases by 2% percent annually. The market rate of retun on this stock is 14.6 percent. What's the amount of the last dividend paid? A. $4.80 B. $4.98 C. $5.86 D. $5.78