sells cHoos Calling sells custom smartphone cases for

$$35$ each. The company incurs customization costs

$($such as engraving$)$ of $$5$ per phone. The company

purchases smartphone cases from its supplier in

batches of $100$ units, with an average cost of $$10$

per case. If the company purchases three batches

of smartphone cases from its supplier, how many

cases must it sell to break even?ustom smartphone cases for $$35$ each. The company incurs customization costs $($such as engraving$)$ of $$5$ per phone. The company purchases smartphone cases from its supplier in batches of $100$ units, with an average cost of $$10$ per case.