Better Mousetraps has developed a new trap. It can go into production for an initial investment in equipment of $6.3 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 $583,000. The firm believes that working capital at each date must be maintained at a level of 10% of next year's forecast sales. The firm estimates production costs equal to $1.10 per trap and believes that the traps can be sold for $5 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 12%. Use the MACRS depreciation schedule. Year: 6 1 2 3 4 5 6 Thereafter Sales (millions of traps) 6 6.6 6.6 6.9 6.9 6.6 6.6 6 a. What is project NPV? [Do not round intermediate calculations. Enter your answer in millions rounded to 4 decimal places.) b. By how much would NPV increase if the firm depreciated its investment using the 5-year MACRS schedule? (Do not round intermediate calculations. Enter your answer in whole dollars not in millions.) The NPV increases by