The management of XY Company is considering to purchase an equipment to be attached with the main manufacturing machine. The equipment will cost $6,000 and will increase annual cash inflow by $2,200. The useful life of the equipment is 6 years. After 6 years it will have no salvage value. The management wants a 20% return on all investments. Compute net present value (NPV) of this investment project. O a. 1017 O b. 1717 O c. 1417 d. 1217 e. $1317