How to solve

$\backslash$table$[[,$Units,$\backslash$table$[[$Percent$],[$Complete$]],$Percent Complete$],[$Beginning work in process inventory,$84,000,80\%,20\%],[$Units started this period,$442,000,,],[$Completed and transferred out,$420,000,,],[$Ending work in process inventory,$106,000,80\%,30\%$