The following data pertain to the three products produced by Beta Corporation: ?

____________________A_________________________ B__________________ C

Selling price per unit__$6.00______________________ $8.00 _______________$9.00

Variable costs per unit_ 4.00 ______________________4.00 _________________4.00

Contribution margin per unit_$2.00_________________ $4.00 _________________$5.00 ?

Fixed costs are $77,000 per month.

Twenty percent of all units sold are Product A, fifty-five percent are Product B, and twenty-five percent are Product C.

What is the monthly break-even point for total units?