4. Key Lock Co. wants to determine if they should expand their business into more locations. Total initial costs are $12.5 million, as recorded in the financial statement, which will be depreciated straight-line to 0 over a four- year life. If the projected net income from the project is $1,368,000, $1,935,000, $1,738,000, and $1,310,000 over the four years, what is the project's average accounting return (AAR)? 5. Big Bats evaluates all of its projects by applying the IRR rule. If the required return is 11%, should the firm accept the following project? Year Cash Flow 0 -$ 168,000 1 $86,000 2 $91,000 3 $53,000 6. Suppose Big Bats decide to use the NPV decision rule. At a required return of 9%, should the firm accept the project? What if the required return was 21%