Charles Wilson operates a kiosk in downtown Chicago, at which he sells one style of baseball hat. He buys the hats from a supplier for $16 and sells them for $20. Charles's current breakeven point is 16,500 hats per year. (a1) Your answer is correct. Calculate contribution margin per unit. Contribution margin per unit Your answer is correct. What is Charles's current level of fixed costs? (Use the rounded contribution margin per unit calculated in the previous part.) Current level of fixed costs 66000 Your answer is incorrect. Assume that Charles's fixed costs, variable costs, and sales price were the same last year, when he made $26,600 in net income. How many hats did Charles sell last year, assuming a 30% income tax rate? (Use the rounded contribution margin per unit calculated in the previous part.) hats