29. The manager of Big Mac Ltd is considering the purchase of equipment to make hamburgers that will reduce annual operating costs by $1500. The equipment will cost $6000 and will have a useful life of five years with no resale value. The new equipment will replace equipment purchased five years ago at a cost of $10 000, that has a book value of $5000 and no resale value. What will be the net effect on profit for the next five years in total if the new equipment is purchased