Answer:
Manufacturing margin is $203,253
Contribution margin is $230,357
Net income $118,547
Explanation:
Manufacturing margin is the sales revenue minus manufacturing costs
Sales revenue $486,599
Cost of goods sold ($205,621)
fixed manufacturing cost ($77,725)
manufacturing margin $203,253
Contribution margin is sales revenue minus variable costs:
Sales revenue $486,599
Cost of goods sold ($205,621)
variable selling & admin ($50,621)
contribution margin $230,357
Income is the sales revenue minus all costs incurred:
Sales revenue $486,599
Cost of goods sold ($205,621)
fixed manufacturing cost ($77,725)
Variable selling & admin ($50,621)
Fixed selling & admin ($34,085)
Net income $118,547