$ millions Apple Google

Current Year Prior Year Current Year Prior Year

Net income $ $55,256$ $ $59,531$ $ $34,343$ $ $30,736$

Net sales $260,174265,595161,857136,819$

Current assets $162,819131,339152,578135,676$

Current liabilities $105,718115,92945,22134,620$

Required:

Compute profit margins for

$($a$)$ Apple and

$($b$)$ Google for the two years of data reported above.