A Discount Clothing Store Is Selling a $70 Sport Jacket $31 \frac { 3 } { 7 }$

A discount clothing store is selling a $70 sport jacket for $22 off the regular price. What is the discount rate?

A) $31 \frac { 3 } { 7 }$ %
B) $32 \frac { 3 } { 7 }$ %
C) $31 \frac { 30 } { 71 }$ %
D) $32 \frac { 30 } { 71 }$ %
E) $31 \frac { 10 } { 23 }$ %