A store plans on investing on a new grill oven that costs P100,000. It will generate revenues of P2,500 per day and expenses of P800 per day. Suppose the store will be operating 320 days in a year. Evaluate the acceptability of this investment if the grill oven will have a lifespan of six years and MARR is 10% per year. Use PW method. What is IRR? Must have a solution and a finals answer of: 1a) 2,269,261.466 1b) 543.99%