Read no evil (rne) is a firm specializing in the destruction of sensitive documents. an industrial paper shredder costs $12,000. if bought, it would raise rne's revenue by an additional $1,500 per year. the machine is designed to last forever and never require maintenance. if the firm does not purchase the machine, it will put the money into an interest-bearing bank account. at which interest rates would rne be willing to buy the machine? check all that apply. a. 12%b. 5%c. 13%d. 18%

Rolston music company is considering the sale of a new sound board used in recording studios. the new board would sell for $27,200, and the company expects to sell 1,570 per year. the company currently sells 2,070 units of its existing model per year. if the new model is introduced, sales of the existing model will fall to 1,890 units per year. the old board retails for $23,100. variable costs are 57 percent of sales, depreciation on the equipment to produce the new board will be $1,520,000 per year, and fixed costs are $1,420,000 per year. if the tax rate is 35 percent, what is the annual ocf for the project?