Question 11 of 13 - 4 E 1 Ivanhoe sells a learning wstem that helps preschool and elementary students learn basic math acts and concepts. The company's income statement from last month is as follows Total Sales revenue 5676,000 236,600 Per Unit $52 18.20 533.80 Variable expenses Contribution margin 439 400 Fred expenses 286,000 $ 153,400 Operating income What is van hoe's contributiomaatiotswariable contration to 20.30 Contribution marginatio Variable contrato Tutvu Mati -4 1 Total Per Unit Sales revenue $676.000 $52 Variable expenses 236.600 18.20 Contribution margin 439.400 $33.80 Fixed expenses 286,000 Operating income $153.600 (a) 151) Computer breakevensales. Use the rounded contribution margin ratio cokolated on the previous post to computerskoven sales) Brekeve sales Weston ot 13 ./4 (61) 03 What is the margin of safety! Margin of safety e Textbook and Media Attempts of used Submit id (d)