Find the answer of the following question

Question- An engine cycle is used to extract work from a nuclear reactor with helium as the working fluid. The helium enters a compressor, and its pressure is raised adiabatically. It is then heated at constant pressure to a high temperature in the reactor core. The energy is supplied by the fission of plutonium. The helium then enters a turbine, in which it is allowed to expand adiabatically. It then passes through a pre-cooler, in which heat is rejected at constant pressure until it reaches the initial conditions. Suppose that helium enters the compressor at 280C and a pressure of 19 atm. It is compressed to 49 atm and then heated to 12500C in the reactor core.

Part 1- What are the temperatures at the end of compression and expansion?

Part 2- What are the heat flows per kilogram of helium in each cycle?

Part 3- How much net work is done per kilogram of helium in each cycle? 2

I need help to evaluate the heat flows per kilogram of helium.