3 (6) The management of Spark Electronics is considering to purchase a piece equipment to be attached to the main manufacturing machine. The equipment will cost R60,000 and will increase annual cash inflow by 22,200. The useful life of the equipment is 6 years. After 6 years, it will have no salvage value. Management wants a 20% return on all investments. Required: Compute net present value (NPV) of this investment project. (1 mark is for formatting)