Andy's Fishing Charters is considering the purchase of a new boat costing $70,000. The boat is expected to increase profits by $10,000 per year for each of the next 8 years. After 4 years, the boat will require maintenance of $7,000. After the 8 years, the boat will be sold for $34,000. Calculate the NPV of the boat using a cost of capital of 12%. Round your answer to the nearest dollar