Salvador Manufacturing builds and sells snowboards, skis and poles. The sales price and variable cost for each are shown:

Salvador Manufacturing data

Product Selling price per unit Variable cost per unit

Snowboards $$396$  $$195$

Skis $407\mathrm{ \; 3}21$

Poles $14\mathrm{4 }29$

Their sales mix is reflected in the ratio $7$:$6$:$5.$ If annual fixed costs shared by the three products are $$155,518,$ how many composite units will need to be sold in order for Salvador to break even?