Some help would be much appreciated! thanks!

Variable and absorption Costing During its first year, Concord, Inc., showed an $42 per-unit profit under absorption costing but would have reported a total profit $29,400 less under variable costing. If production exceeded sales by 700 units and an average contribution margin of 60% was maintained, what is the apparent: a. Fixed cost per unit? per unit b. Sales price per unit? per unit C. Variable cost per unit? per unit d. Unit sales volume if total profit under absorption costing was $189,000? units Check