Pls answer these!

Saved Help Save& Exit Subm Check my work SBD Phone Company sells its waterproof phone case for $85 per unit Fixed costs total $163,200, and variable costs are $34 per unit (1) Determine the contribution per per unit per unit per unit Contribution margin Determine the break-even point in units Choose Numerator. Choose Break Even Units Break even units 12:55 AM A410/30/2018