How may federal income tax be withheld from separation pay and accrued vacation wages totaling $20,000 that are paid at the time of termination and identified separately on the employees' pay stub, if the employee has been paid $25,000 so far this year and had income tax withheld from her most recent wage payment?

How may federal income tax be withheld from separation pay and accrued vacation wages totaling $20,000 that are paid at the time of termination and identified separately on the employees’ pay stub, if the employee has been paid $25,000 so far this year and had income tax withheld from her most recent wage payment?

How may federal income tax be withheld from separation pay and accrued vacation wages totaling $20,000 that are paid at the time of termination and identified separately on the employees’ pay stub, if the employee has been paid $25,000 so far this year and had income tax withheld from her most recent wage payment?
A . at the optional flat rate for all payouts at termination only
B. using the aggregated method only
C. at the optional flat rate or using the aggregate method
D. using the prior 12 months’ tax rate

Answer: C