6. A firm faces the following situation, where all cash flows are perpetuities. . sales revenue = $400,000 operating costs (fixed plus variable) = $200,000 Debt = $500,000 tax rate = 40% rb = 6% rs = 12% First find the value of the firm "indirectly". Then, confirm that the same result is obtained when the value of the firm is found "directly. 6. A firm faces the following situation, where all cash flows are perpetuities. . sales revenue = $400,000 operating costs (fixed plus variable) = $200,000 Debt = $500,000 tax rate = 40% rb = 6% rs = 12% First find the value of the firm "indirectly". Then, confirm that the same result is obtained when the value of the firm is found "directly