Atlanta Apple Growers has the opportunity to purchase a tree-shaking machine that will aid them in their harvest. This tree-shaking machine has a cost of $27,000 and will yield the following cash flows: Year 1: $8,000 Year 2: $7,500 Year 3: $7,000 Year 4: $6,500 Year 5: $6,000 Atlanta uses the net present value method to evaluate purchasing decisions and assumes a current market interest rate of 13%. What is the net present value of the tree-shaking machine