A single person earns a gross biweekly salary of $840 and claims 5 exemptions. how will federal taxes affect his net pay? a. federal taxes will not affect the net pay. b. net pay will increase $11 from the gross pay. c. net pay will decrease $11 from the gross pay. d. net pay will decrease $13 from the gross pay. please select the best answer from the choices provided a b c d