Big Foot produces sports socks. The company has fixed expenses of $110,000 and variable expenses of $1.10 per package. Each package sells for $2.20. Requirements 1. Compute the contribution margin per package and the contribution margin ratio. 2. Find the break-even point in units and in dollars using the contribution margin approach. 3. Find the number of packages Big FootBig Foot needs to sell to earn a $33 comma 00033,000 operating income.