What would be the best answer out of these options?

What is the relationship between the profit equation and the contribution margin income statement? Select one: Select one: ll a. In the profit equation, costs are accounted for in total sales by addition to yield profit. In the contribution margin income statement, variable costs are first netted from total costs, yielding a contribution margin, from which fixed costs are then netted out to yield profit. b. In the contributions margin equation, variable and fixed costs are both netted from total sales to yield profit. In the profit margin income statement, variable costs are first netted from total sales, yielding a contribution margin, from which fixed costs are then netted out to yield profit. c. In the profit equation, variable and fixed costs are both netted from total sales to yield profit, In the contribution margin income statement, variable costs are first netted from total sales, yielding a contribution margin, from which fixed costs are then netted out to yield profit. d. In the profit equation, fixed costs are netted from total sales to yield net profit, from which variable costs are netted out to yield profit. In the contribution margin income statement, variable costs are first netted from total sales, yielding a contribution margin, from which fixed costs are then netted out to yield profit