$18.$Widget Express Company reported earnings of $$3$ per share last period. It's plowback ratio is $45\%$ of earnings. What should an investor pay for this dividend paying stock if earnings are projected to increase at $8\%$ annually and the investor's required rate of return is $10\%?20.$Your clients just purchased a new automobile for $42,000.$ They put $$5500$ as a down payment; the remainder is financed. The terms of the fully amortized loan follow: $6$ year loan, monthly payments made at the beginning of the month, $6\mathrm{.}8\%$ annual percentage rate. How much is their monthly payment?