What Is the Cumulative Cost in February in This Time-Phased

Multiple Choice

What is the cumulative cost in February in this time-phased budget? $$\begin{array} { | l | l | l | l | l | } \text { Activity } & \text { January } & \text { February } & \text { March } & \text { April } \\\hline \text { Survey } & 8,000 & & & \\\hline \text { Design } & 5,250 & 4,500 & & \\\hline \text { Dirt } & & 6,700 & & \\\hline \text { Foundation } & & 12,550 & & \\\hline \text { Framing } & & & 37,250 & \\\hline \text { Plumb } & & & 7,800 & \\\hline \text { Wire } & & & & 5,500 \\\hline\end{array}$$

A) $23,750
B) $37,000
C) $45,050
D) $50,550