If the Cost of a Metal Duct with Dimensions $8 \mathrm { in } \times 20 \mathrm { in }$

Multiple Choice

If the cost of a metal duct with dimensions $8 \mathrm { in } \times 20 \mathrm { in }$ is $11.40 for four feet, how much is it per foot?

A) $4.40
B) $3.22
C) $3.24
D) $3.61
E) $2.85