The Table Below Shows How Total Donations, Average Donations, Total

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. $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { Employees }\end{array} & \begin{array} { c } \text { Total } \\\text { Donations }\end{array} & \begin{array} { c } \text { Average } \\\text { Donations }\end{array} & \begin{array} { c } \text { Total } \\\text { Labor Costs }\end{array} & \begin{array} { c } \text { Average } \\\text { Labor Costs }\end{array} \\\hline 1 & \$ 30,000 & & & \$ 8,000 \\\hline 2 & \$ 42,426 & & \$ 17,000 & \\\hline 3 & & \$ 17,321 & \$ 27,000 & \\\hline 4 & \$ 60,000 & & & \$ 9,500 \\\hline 5 & & \$ 13,416 & \$ 50,000 & \\\hline\end{array}$$ The total labor cost with 4 employees is:

A) $21,500.
B) $22,000.
C) $38,000.
D) $43,121.