A Hospital Dietician Had a 50-Pound Bag of Sugar at the Beginning

A hospital dietician had a 50-pound bag of sugar at the beginning of the month. When taking inventory at the end of the month, the dietician notes that $13 \frac { 1 } { 4 }$ pounds of sugar have been used. How much sugar remains?

A) $36 \frac { 3 } { 4 }$ pounds
B) $37 \frac { 3 } { 4 }$ pounds
C) $35 \frac { 3 } { 4 }$ pounds
D) $34 \frac { 3 } { 4 }$ pounds
E) $38 \frac { 3 } { 4 }$ pounds