1 A manufacturing company is considering increasing its production rate to meet market demand by purchasing new machine. The cash flow is summarized in the table below. Calculate the discounted payback period if the company's MARR is 15%. (All amounts are in SR). n REVENUE Cost of Machine Installation Cost Maintenance Cost Electricity Cost 0 0 200 000 17 500 0 0 1 90 000 0 0 4 500 3 000 2 3 120 000 110 000 0 0 0 0 4 800 5 500 3 000 3 000 4 70 000 0 0 6 000 3 000