9- Able Plastics, an injection-molding firm, has negotiated a contract with a national chain of department stores. Plastic pencil boxes are to be produced for 44 a 2-year period. If the firm invests $62,000 for special removal equipment to unload the completed pencil boxes from the molding machine, one A machine operator can be eliminated saving $32,000 per year. The removal equipment has no salvage value and is not expected to be used after the 2- year production contract is completed. The equipment would be serviceable for about 15 years. What is the payback period