The interest would be $123.5
The graph pictured is an exponential function.
Answer:

Step-by-step explanation:
first find the area of the rectangle, which would be
yd²
then find the arc length of the sector, which is about 30.6yd
use the arc length to find the area of the sector, which is about 199.09yd²
add together the area of the rectangle and sector:
199.09 + 208 ≈ 407