Uni Bank Ltd has four (4) investment projects with the following costs and expected rates of return. All projects are independent of each other. Project ZA Project ZB Project ZC Project ZD COST $12,000 $13,000 $15,000 $12,000 RATE OF RETURN 14.10% 9.97% 10.5% 15.3% The firm estimates that it can issue debt with a yield to maturity of 10%, and its tax rate is 40%. It can also issue preferred stock at $40 per share, which pays a constant dividend of $3.50 per year. Uni Banks common stock currently sells for $35/share and is expected to pay