When Total Contribution magrin equals total fixed costs, this indicates operating income True False

(Variable cost = Total cost - Fixed cost - Net profit) you have not consider the net profit in the calculation. I think it should be added right ?

The equation for total costs (Y) is: Y = a+ bX In this equation, “a” represents:  Net income Cost of goods sold Total fixed costs The level of activity (e.g., the number of units produced) Total variable costs Variable cost per unit of X Total revenue

Fixed costs, variable costs, and revenues are all included in profitability analysis? Select one: O True O False