I need the Excel Formula for these questions

FIN 4430-001 Real Property Valuation - Sample Questions on Income Approach 1 If I am considering buying a property for $7,500,000 and the NOI is $250,000/yr. What is my going-in cap rate? Cap Rate is 2 If I am selling a property for $5,000,000 and the NOI is $250,000/yr. What cap rate am I selling it on? Cap Rate is 3 If a propety has an NOI of $500,000 and sells on a cap rate of 7.25%. How much did it sell for? Sale Price 4 If a property sells for $6,000,000 on a cap rate of 5.25%. What was the NOI? NOI is