Please explain

New Tab G Google > a look at a awesomoda Fountain Mac.. My Inbox Helper ) MSN | Outlook, Offi.. > Suggested Sites Week 4: Quiz i Saved 4 Assume the following information Amount Per Unit Sales $ 300,000 $ 40 Variable expenses 112, 500 15 4 points Contribution margin 187, 500 $ 25 Skipped Fixed expenses 48,000 Net operating income $ 139, 500 The unit sales to attain a target profit of $ 210.000 is Multiple Choice 11,414 units O 17,200 units. 10,320 units. 11,950 units