answer is 23.33%. How do I solve to get this answer?

Commercial Loan Underwriting Three Year Hold (Value of project 10,000,000; Partially Amortizing Loan Amount = 7,000,000; Interest Rate = 5.25%; Amortization Peric 25 years; Term 3 years; Points 2.5. NOI = 650,000 BTCF1= 134,200, BTCF2 - 136,800; BTCF3 - 142,300; Net Sale Price 12,000,000) What is the IRR for this nvestment? Answers 23,33%