What is the total amount budgeted for design costs in this time-phased budget?

Activity January February March April
Survey 8,000
Design 5,250 4,500
Dirt 6,700
Foundation 12,550
Framing 37,250
Plumb 7,800
Wire 5,500

A) $5,250
B) $4,500
C) $9,750
D) $12,550

C