pls solve 4 asap with explanation

Question 3 10 pts Modified Internal Rate of Return: Transform the following cash flow with multiple sign changes to "ONE" sign change and then calculate the "EXACT" Internal Rate of Return. MARR is 3%. YEAR 0 1 2 3 4 5 CASH FLOW, ($) -16,000 1-8,000 11,000 13,000 -7,000 8,950 The exact Internal Rate of Return for the cash flow listed above is? 14.50% 3.25% 6.00% -4.00% Question 4 10 pts Modified Internal Rate of Return: Transform the following cash flow with multiple sign changes to "ONE" sign change and then calculate the "EXACT" Internal Rate of Return. MARR is 10%. YEAR 0 1 2 3 4 5 CASH FLOW, ($) -16,000 -8,000 11,000 13,000 -7,000 8,950 Based on the decision threshold of IRR2 MARR, is this project desirable? Yes Indifferent Not enough information to make a decision No