Calculate the equilibrium constant at $2000K$ for the gas phase reaction $CO(g)C(g)+O(g)$

Using the spectroscopic data in the table $($The values in parentheses are degeneracies.$)$ This is another

problem where it would be smart to use a spreadsheet.

$($Ans$.$ K$=7\mathrm{.}711{10}^{-22})$

Please steps that will lead to the correct answer provided