please show work

Salvadores Manufacturing builds and sells snowboards, siis and poles. The sales price and variable cost for each follows: Selling Price Variable Cost Product per Unit per Unit Snowboards $330 $170 Skis $180 $220 Poles $40 $10 Their sales mix is reflected in the ratio 7:3:1. If annual fixed costs shared by the three products are $179,300, how many units of each product will need to be sold in order for Salvadores to break even? Break-even per Number of Units Product Ratio (mix) composite unit per product Snowboards Skis 3 Poles