Ionizing radiation is sometimes used to preserve agricultural products. a journal article concerning the effect of gamma irradiation on the storage life of garlic reported the following: 180 garlic bulbs were treated with radiation immediately after harvest. 153 of those bulbs were worthy of sale in the market 120 days after harvest. do these data suggest that irradiation is beneficial in keeping garlic bulbs worthy of sale in the market? answer this question by conducting the appropriate hypothesis test and calculating the p-value. is beneficial at a significance level of.01, of the 180

There is a cost associated with each source of financing. discuss the cost of debt, preferred stock, common stock, and retained earnings in detail. which source of financing is typically less expensive? why? why do financial managers try to determine the optimal capital mix? be specific.

Granby foods' (gf) balance sheet shows a total of $25 million long-term debt with a coupon rate of 8.50%. the yield to maturity on this debt is 8.00%, and the debt has a total current market value of $27 million. the company has 10 million shares of stock, and the stock has a book value per share of $5.00. the current stock price is $20.00 per share, and stockholders' required rate of return, r s, is 12.25%. the company recently decided that its target capital structure should have 35% debt, with the balance being common equity. the tax rate is 40%. calculate waccs based on book, market, and target capital structures. what is the sum of these three waccs?

Oliver's company is planning the launch of their hybrid cars. the company has included "never-before-seen" product benefits in the hybrid cars. which type of advertising should oliver's company use for the new cars?