The following investment alternatives have been presented: Net investment Cash net returns per Economic life annum Alternative A P400,000 240,000 13 years 10560,000 Replacement cost after 3 years Cash net returns per annum from replacement (4 years) The minimum desired rate of return is 20% for both alternatives. 360,000 Alternative B P720,000 300,000 7 years REQUIRED: 1. Determine the net present value of both alternatives.