Question: $(30$ points$)$

$3-1$ Define cost$-$volume$-$profit analysis.

$3-3$ Distinguish between operating income and net income.

$3-4$ Define contribution margin, contribution margin per unit, and contribution margin percentage.

$3.$ Exercise: $(30$ points$)$

$3-16$ CVP computations. Fill in the blanks for each of the following independent cases.

$\backslash$table$[[$Case$,$Revenues,$\backslash$table$[[$Variable$],[$Costs$]],$Fixed Costs,Total Costs,$\backslash$table$[[$Operating$],[$Income$]],\backslash$table$[[$Contribution$],[$Margin Percentage$]]],[$a$.,$$$2,000,$$$500,$$$300,$$$800,$$$1,200,],[$b$.,$$$1,000,$$$700,,$$$1,000,,],[$c$.,$$$1,500,,$$$300,,,40\%$