Marginal cost in steady state

Dear all,
I wanted to know that someone could say that the marginal cost in steady state, which appeared on page 25 of the “A Baseline DSGE Model” article, How does it get?

FV 2010 - Benchmark DSGE.pdf (416.5 KB)

Have a look at the three equations at the top of page 21. You can solve those for mc in steady state.

Thank you for your reply.