The concept of tax shield benefits which of the following costs of capital? a. Rd b. ERP c. Re d. Rf QUESTION 6 Which of the following institutions was not part of the internet established for defense research in the U.S. in 1960s? Oa. RAND Corporation O b. University of California, Berkeley Oc. Columbia University Od. University of Michigan QUESTION 7 Charlie Corp. generated $13m in revenues for 2020, COGS of $6m, operating expenses of $1m. Depreciation was $0.5m, total debt was $20m with interest of 2%. What is Charlie Co's EBITDA? a. 13m Ob.8m Oc 10m 0.6 0.6 pc