PLEASE HELP

Salvadores Manufacturing builds and sells snowboards, skis and poles. The sales price and variable cost for each follows: Their sales mix is reflected in the ratio 8:4:1. If annual fixed costs shared by the three products are $200,400, how many units of each product will need to be sold in order for Salvadores to break even? A product has a sales price of $200 and a per-unit contribution margin of $80. What is the contribution margin ratio? Contribution margin ratio