Dr. Superhook, a private towing contractor, has an opportunity for a towing contract with the city over the next 5 years. The contract calls for the city to pay Dr. Superhook $4,000,000 at the start of the contract and nothing for the remainder of the contract. Dr. Superhook estimates that its expenses will be $1,200,000 at the end of each of the 5 years If Dr. Superhook uses IRR to evaluate its opportunities, under what values of the discount rate would the company accept the contract? Briefly explain why.