An investment of P 400,000 will be required for a certain project. Out of this investment it is estimated that sales will be P 800,000 per year and incur the following expenses: Materials = P 160,000 per year Labor = P 280,000 per year Overhead = P40,000 + 10% of sales per year Selling expense = P 60,000 per year It is expected to earn at least 20 % of the capital to be recovered in 15 years. Is this a good investment? Use the Present Worth Method