just need b

In September, Ivanhpe Industries sold 800 units of product. The average sales price was $50. During the month, fixed costs were $6,705 and variable costs were 70% of sales. (a) Vour ariswer is correct. Determine the contribution margin in dollars, per unit, and as a ratio. (Round Contribution marsin to 0 decimal ploces, e.s. 5,275 . Other all answers to 2 decimal ploces, eg. 52.75. Contribution margin (in coliars) $ Unit contribution margin Contributionmarsis ratio Contribution margin (in dollars) % eTextbook and Media (b) Using the contribution margin technique, compute break-even sales dollars and sales units. Break-even sales (in dollars) $ Break-even sales (in units) units