$1.$ Given the data provided in the case, what is the margin $($revenue$-$cost of goods sold$)$ for each item they sell? $($show your work$)$

$2.$ Based on the data in #$1,$ how many vacuum cleaners do they need to sell to hit the margin of just $1$ extractor? $($show your work$)$

Can yall just do the math for this please? I dont need an explanation, just the math for it$.$