The Johnson Research Organization, a nonprofit organization that does not pay taxes. is considering buying laboratory equipment with an estimated life of seven years so it will not have to use outsiders' laboratories for certain types of work. The following are all of the cash flows affected by the decision. Investment (outflow at time 0) $5,000,000 Periodic operating cash flows: Annual cash savings because outside laboratories are not used 1.400.000 Additional cash outflow for people and supplies to operate the equipment 200,000 Salvage value after seven years, which is the estimated life of this project 400,000 Discount rate 10% Assume 20% tax rate. Required: Calculate the net present value of this decision. Should the organization buy the equipment? IRR Calculate payback period and discounted payback Calculate accounting rate of return