. (10 points) A steel rolling mill can produce I-beams at the rate of 60,000 tons per year. Annual customer demand for the beams is 30,000. For each production run of I-beams, the mill must go through a setup that costs $20,000. I-beams cost the mill $3000 per ton, and the mill has an annual holding cost of 20%. a. What is the optimal production batch size for I-beams

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars

On april 1, the cash account balance was $46,220. during april, cash receipts totaled $248,600 and the april 30 balance was $56,770. determine the cash payments made during april.

Dollar shave club is an ecommerce start-up that delivers razors to its subscribers by mail. by doing this, dollar shave club is using a(n) to disrupt an existing market. a. innovation ecosystem b. architectural innovation c. business model innovation d. incremental innovation