A Heat Engine with an Efficiency Of $30 \%$ Performs $2500 \mathrm {~J}$

Multiple Choice

A heat engine with an efficiency of $30 \%$ performs $2500 \mathrm {~J}$ of work. How much heat is discharged to the lower temperature reservoir?

A) $1400 \mathrm {~J}$
B) $8300 \mathrm {~J}$
C) $7100 \mathrm {~J}$
D) $5800 \mathrm {~J}$
E) $750 \mathrm {~J}$