Answer a. is correct. Need help with b.

9 points Better Mousetraps has developed a new trap. It can go into production for an initial investment in equipment of $5.4 million. The equipment will be depreciated straight line over 6 years to a value of zero, but in fact it can be sold after 6 years for $668,000. The firm believes that working capital at each date must be maintained at a level of15% of next year's forecast sales. The firm estimates production costs equal to $1.60 per trap and believes that the traps can be sold for $6 each. Sales forecasts are given in the following table. The project will come to an end in 6 years, when the trap becomes technologically obsolete. The firm's tax bracket is 35%, and the required rate of return on the project is 9%. Use the MACRS depreciation schedule. Vear: 9 1 2 3 4 5 6 Thereafter Sales (millions of traps) 9 9.6 9.8 1.9 1.9 9.9 9.6 9 a. What is project NPV? (Do not round intermediate calculations. Enter your answer in millions rounded to 4 decimal places.) NPV $ 6.3802 million b. By how much would NPV increase if the firm depreciated its investment using the 5year MACRS schedule? (Do not round intermediate calculations. Enter your answer in whole dollars not in millions.) The NPV increases by