Find out December Please

Purchases Budget:

$\backslash$table$[[$Month$,\backslash$table$[[$Cost of Goods Sold of$],[$Sales$)]],\backslash$table$[[$Desired Ending$],[$Inventory$]],\backslash$table$[[$Total Purchases$],[($AED$)]]],[$January$,210,000,50,400,218,400],[$February$,252,000,60,000,261,600],[$March$,300,000,57,600,297,600],[$April$,288,000,48,000,278,400],[$May$,240,000,54,000,246,000],[$June$,270,000,62,400,278,400],[$July$,312,000,69,600,319,200],[$Align Right$],[$August$,348,000,78,000,356,400],[$September$,390,000,74,400,386,400],[$October$,372,000,67,200,364,800],[$November$,336,000,84,000,352,800],[$December$,420,000,,]]$