Using financial statements for AMAZON.COM provided in the Appendix A, calculate the following ratios.

a. THREE YEAR SALES CAGR

b. EBITDA MARGIN

c. COST OF DEBT

d. ROE

AMAZON.COM, INC. CONSOLIDATED STATEMENTS OF OPERATIONS (in millions, except per share data) AMAZON.COM, INC. CONSOLIDATED BALANCE SHEETS (in millions, except per share data) ASSETS December 31. \begin{tabular}{c} \hline 20182019 \\ \hline \end{tabular} Current assets: Cash and cash equivalents Marketable securities Inventories Accounts receivable, net and other Total current assets Property and equipment, net Operating leases Goodwill Other assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable Accrued expenses and other Unearned revenue Total current liabilities Long-term lease liabilities Long-term debt Other long-term liabilities Commitments and contingencies (Note 7) Stockholders' equity: Total stockholders' equity Total habilities and stockholders' equity AMAZON.COM. INC