Ownership costs are incurred after the initial purchase and are associated with the ongoing use of the product or material. Which of the following is not an ownership cost listed in the text? a. Financing costs
b. Energy costs
c. Taxes
d. Maintenance and repair costs
e. Supply network costs

Using a cps-sample of 7,440 individuals, you estimate the following regression: = 20.91 - 2.61 x female where female is a binary variable that takes on the value of 1 for females and is 0 otherwise. the standard error on the coefficient on female is 0.25. the 95% confidence interval for the gender wage gap, or the amount that females earn less, is: a) [-3.10, -2.12] b) [18.30, 23.52] c) [-3.02, -2.20] d) [-1.96, -1.64]