Solve the Problem $8 \mathrm{~m}$ By $20 \mathrm{~m}$ He Will First Put in Posts Which Will Be

Multiple Choice

Solve the problem.
-Tom is going to build a fence around his garden which is a rectangle measuring $8 \mathrm{~m}$ by $20 \mathrm{~m}$ . He will first put in posts which will be $4 \mathrm{~m}$ apart. If the posts cost $\$ 5.50$ each, what will be the total cost for all the posts?

A) $\$ 77.00$
B) $\$ 38.50$
C) $\$ 66.00$
D) $\$ 55.00$