please help me with some

(10 pts) 6. Determine the value of a share of preferred stock when the dividend rate is 10 percent and the par value is $80. The appropriate discount rate for a stock of this risk level is 12 percent. Why is the price now different from the par value? (10 pts) 7. Ten years ago, Walmart Inc. (WMT) issued 30- year bonds that had a coupon rate of 8 percent with the interest paid annually. If these bonds are now trading with a 12 percent market required yield, at what price are these bonds now selling? The par value of the bonds is $1,000. Why is the price now different from the par value? (12 pts) 8. The Jacksons are planning for their daughter's education. She is two years old and will start college in 16 years. How much will they have to set aside each year, beginning one year from today to have $500,000 when she starts college, if the interest rate is 8 percent? How much will the daughter be able to withdraw from the account each of her four years in college? (12 pts) 9. On June 1", Wilkins bought a boat for $200,000. He paid $50,000 in cash at the time of the purchase and agreed to pay the balance in four equal annual installments that include both the principal and 10 percent interest on the declining balance. Required: a) Determine the amount of the annual payment. a) Determine the total dollars of interest that Wilkins will pay for this loan b) Determine the amount of interest that is included in the first payment. It is not necessary to complete an amortization schedule