The Goodsmith Charitable foundation, which is tax-exempt, issued debt last year at 8 percent to help finance a new playground facility in Los Angeles. This year the cost of debt is 20% higher; that is, firms that paid 10 percent for debt last year will be paying 12 percent this year. a) if the goodsmith foundation borrowed money this year, what would the after tax cost of debt be, based on its cost last year and the 20% increase? b) if the receipts of the foundation were found to be taxable by the IRS (at a rate of 35% because of the involvement in political activities), what would the aftertax cost of the debt be?

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Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

Suppose the production function in an economy is y = k0.5l0.5, where k is the amount of capital and l is the amount of labor. the economy begins with 64 units of capital and 16 units of labor. use a calculator and equations in the chapter to find a numerical answer to each of the following questions. what are the wage and the rental price of capital? the wage is equal to unit(s) of output and the rental price of capital is equal to unit(s) of output.