4. The Timber Jaya Company has the following different alternative investment proposals: Project A Expected Profit after $50,000 Tax Initial investment 250,000 Expected accounting 20% rate of return Project B $75,000 300,000 25% Project C $90,000 500,00 18% a. Using Accounting Rate of Return (ARR), explain which investment project proposal should the Company pick? Explain using (a) accept-reject approach and (b) ranking approach. b. Do the investment proposals in this problem illustrate any weaknesses of using ARR? Discuss.