Homework $11$ Problem $1$

Suppose $200$ J of work is done on a system and $70\mathrm{.}0$ cal is extracted from the system as heat. In the sense of the first law of thermodynamics, what are the values $($including algebraic signs$)$ of $($a$)$ W $,($b$)$ Q $,$ and $($c$)E_{{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}}?$