The table below shows how total donations, average donations, total labor costs and average labor costs vary depending on the number of employees State U hires for its fundraising activities.The total labor cost with 4 employees is:

The table below shows how total donations, average donations, total labor costs and average labor costs vary depending on the number of employees State U hires for its fundraising activities.The total labor cost with 4 employees is:

A.$38,000.

B.$43,121.

C.$21,500.

D.$22,000.

正确答案：$38,000.