please show work/give explaination

21 180-120 26-11 * Estimate unit variable cost Month Total costs Activity volume in units September $120 October $90 11 0 November - $150 31 December $180 26 H A. not enough information need to know the contribution margin statement in the relevant range B. $3.00/unit C. $4.00/unit D. $4.50/unit E. $6.00/unit Z At current production volume of 1,000 units, variable costs are $6 per unit and fixed costs are $4 per unit, for a total unit cost of $10 per unit. Predict total costs at production volume of 900 units. A. $5,400 10x900 B. $9,000 C. $9,400 D. $9,600 E. not enough information need to know the total cost equation 1,000 / Total fixed costs are $1,000, the price is $30, unit variable cost is $20. Breakeven revenue in dollars is: FC/CMR A. $100 B. $1,000 C. $1.500 D. $3,000 E. not enough information need data on total revenue and total costs to determine CMR Estimate unit variable costs. Production volume was 10 units. fire insurance $100 $240 depreciation $200 660