In field 3: Cash Down Payment on Purchase Price, you indicate the amount of cash the veteran is paying up front to reduce the loan amount. Subtract the loan amount indicated in field M on Section VII: Details of the Transaction from the purchase price in field A. Record the difference here. Use this calculator to perform the calculation. Learn more about this topic in the Loan Amount lesson. Refer to the VA Lender's Handbook for more details on how cash downpayment affects VA's funding fee.