2. [MO11] BRB spent Php 4000 on a new portable welding machine 7 years ago. The annual rental income from the compressor has been Php 450. The 50 pesos spent on maintenance the first year has increased each year by Php 25. The company plans to sell the machine at the end of next year for 350 Php. Construct the cash flow diagram from the company's perspective and indicate where the present worth now is located. (5 points)