Old Country Inc. has the following three projects available: Year Cash Flow (A) Cash Flow (B) Cash Flow (C) 0 -$50,000 -$70,000 -$100,000 1 30,000 9,000 25,000 2 18,000 25,000 30,000 3 10,000 35,000 35,000 4 5,000 25,000 45,000 Suppose Old Country imposes a payback cutoff of three years for its projects, which project(s) should it choose? Explain. Suppose Old Country's cost of capital is 10%, what is the NPV of each project? Which project(s) should it choose? Explain. Suppose these projects are mutually exclusive, and the cost of capital is 10%, which project(s) should it choose? Explain. Suppose Old Country only has $120,000 to invest, but it can borrow money from the bank without any restriction. The cost of capital is 10%. Which project(s) should it choose? Explain.