A gas at 300 kPa is trapped inside a piston-cylinder device. It receives 20 kJ of heat

Question:

A gas at 300 kPa is trapped inside a piston-cylinder device. It receives 20 kJ of heat while it expands performing a boundary work of 5 kJ. At the same time 10 kJ of electrical work is transferred into the system. Evaluate
(a) Q
(b) Wel
(c) WB
(d) Wext with appropriate signs.
(e)What is the net change in stored energy E of the system (magnitude only in kJ)? Neglect KE and PE.