Pacheco Company sells a product for $15. Units costs are as follows: Total fixed overhead is $52,000 per year. Variable selling expenses are $1.60 per unit sold; fixed selling and administrative expenses are $37,950. Required 1. Calculate the contribution margin ratio 2. Calculate the break-even revenue. 3. Calculate the revenue needed to earn $18,000. 4. Calculate the break-even units, rounded to the nearest unit. 5. Calculate the units needed to earn $18,000, rounded to the nearest unit