cant figure out the missing blanks please help

Cullumber Corporation selis tfvee daferent models of a mosquita 'zappet:" Model A12 sells for $42 and has unit varlable costs of 529.40. Model az2 sells for $34 and has unit variable costs of 558.80 Modet C124 vells for 5338 and has unit variable covts of 3252. If the company has fred costs of 5260.422 , how many units of each modei must the company sell in order to break even? (Round Per