Brad's gross pay for the month is $6,400. His deduction for federal income tax is based on a rate of 20%. He has no voluntary deductions. His year - to - date pay is under the limit for OASDI. What is Brad's net pay? (Assume a FICA-OASDI Tax of 6.2% and FICA-Medicare Tax of 1.45\%. Do not round any intermediate calculations, and round your final answer to the nearest dollar.) A. $4,630 B. $5,120 C. $5,910 D. $6,400