Variable Cost, Fixed Cost, Contribution Margin Income Statement Instructions Head-First Company plans to sell 4,400 bicycle helmets at $84 each in the coming year. Product costs include: Variable selling expense is a commission of $2.90 per helmet; fixed selling and administrative expense totals $29,500. Required: 1. Calculate the total variable cost per unit. 2. Calculate the total fixed expense for the year. 3. Prepare a contribution margin income statement for Head-First Company for the coming year