How many linear feet of chair rail are in a room $18\text{'}$ long X $14\text{'}$ wide X $8\text{'}$ high?

Entry door is $2\text{'}8"$ wide X $6\text{'}8"$ high Patio door is $5\text{'}0"$ wide X $6\text{'}8"$ high

Refer to "Inch to Foot Conversion Chart"

$$ A$.61$ LF

$$ B$.57$ LF

$$ C$.64$ LF

$$ D$.59$ LF