Wright Inc. produces lawn equipment. During its first year of operations, Wright Inc. produced $25,000$ units and sold $20,000$ units. The selling price was $$25,$ the variable manufacturing costs $($including direct material, direct labor and variable manufacturing overhead$)$ were $$15$ per unit, variable selling expenses were $$1$ per unit, fixed manufacturing costs were $$60,000,$ and fixed administrative expenses were $$80,000.$Total contribution margin under variable costing would be:$$120,000$ $$180,000$$$485,000$ $$225,000$