Delta corporation has the following capital structure: cost (aftertax) weights weighted cost debt (kd) 5.2 % 10 % 0.52 % preferred stock (kp) 12.2 20 2.44 common equity (ke) (retained earnings) 7.1 70 4.97 weighted average cost of capital (ka) 7.93 % a. if the firm has $28 million in retained earnings, at what size capital structure will the firm run out of retained earnings? (enter your answer in millions of dollars (e. g., $10 million should be entered as "10" b. the 5.2 percent cost of debt referred to earlier applies only to the first $15 million of debt. after that the cost of debt will go up. at what size capital structure will there be a change in the cost of debt?

John and daphne are saving for their daughter ellen's college education. ellen just turned 10 at (t = 0), and she will be entering college 8 years from now (at t = 8). college tuition and expenses at state u. are currently $14,500 a year, but they are expected to increase at a rate of 3.5% a year. ellen should graduate in 4 years--if she takes longer or wants to go to graduate school, she will be on her own. tuition and other costs will be due at the beginning of each school year (at t = 8, 9, 10, and 11).so far, john and daphne have accumulated $15,000 in their college savings account (at t = 0). their long-run financial plan is to add an additional $5,000 in each of the next 4 years (at t = 1, 2, 3, and 4). then they plan to make 3 equal annual contributions in each of the following years, t = 5, 6, and 7. they expect their investment account to earn 9%. how large must the annual payments at t = 5, 6, and 7 be to cover ellen's anticipated college costs? a. $1,965.21b. $2,068.64c. $2,177.51d. $2,292.12e. $2,412.76