Question 12 (4 points) Laird Company is considering buying a machine for $60,000 with an estimated life of ten years and no salvage value. The expected net annual cash flow is $6,000 per year. The cash payback period on this investment is 6 years 10 years 15 years 3 years A fixed cost is a cost which varies in total with changes in the level of activity. remains constant in total with changes in the level of activity varies inversely in total with changes in the level of activity. remains constant per unit with changes in the level of activity