Neptune Corporation's bonds have 15 years to maturity with a coupon rate of 5%. Interest is paid semi-annually. The bonds sold at par value, but the form paid flotation costs amounting to 6.5% of par value. The firm has a marginal tax rate of 21%. What is the firm's after-tax cost of debt for these bonds? a) 5.00%
b) 5.57%
c) 4.46%
d) 5.65%
e) 4.65%

Mattress wholesalers, inc. is constantly trying to reduce inventory in its supply chain. last year, cogs was $7.47 million and inventory was $1.47 million. this year, cogs is $8.65 million and inventory investment is $1.64 million.a) what was its weeks of supply last ) what is its weeks of supply this ) is mattress wholesalers making progress in its inventory reduction effort? since the number of weeks that cover the supply has mattress wholesalers is making in its inventory reduction effort.