Question 4 (1 point) Saved OVE makes a line of men's hooded sweatshirts. The costs associated with the business are as follows: $5/shirt for raw materials, $2/per zipper per shirt, 1 hour of labour at $15/hr, $500/month rent for property on Dundas St W, monthly sales staff wages of $1000, Trademark licensing costs at $5000, and a monthly social media ad for $750. What are OVE's variable costs per unit? O $7 O $15 $22 O $5