Linda's Luxury Travel (LLT) is considering the purchase of two Hummer limousines. Various information about the proposed investment follows: Assume straight line depreciation method is used. Required: Help LLT evaluate this project by calculating each of the following: 1. Accounting rate of return. 2. Payback period. 3. Net present value. 4. Without making any calculations, determine whether the IRR is more or less than 15%. Calculate payback period. (Round your answer to 2 decimal places.)