CAN SOME ONE HELP ME WITH THIS ACCOUNTING PROBLEM pART A AND PART B i AM SO CONFUSED i HAVE GOTTEN LOST. pLEASE SHOW ME HOW TO GET THE ANSWERS, FORMULA TO GET THE ANSWER FOR CALCULATE NET INCOME AND NET INCOME AS A PERCENT OF SALES INCREASE OR DECREASE.

Brief Exercise 18-8

Vertical analysis (common size) percentages for Kochheim Companys sales, cost of goods sold, and expenses are shown below.

Vertical Analysis	2015	2014	2013
Sales	100.0	100.0	100.0
Cost of goods sold	49.6	53.0	55.4
Expenses	18.0	18.3	20.7

(a) Calculate net income.

2015	2014	2013
Net income

(b) Did Kochheims net income as a percent of sales increase, decrease, or remain unchanged over the 3-year period?