Reference no: EM132467318

Manero Company included the following information in its annual report:

                                       2019                      2018                  2017

Sales                               $178,400         $162,500          $155,500

Cost of goods sold              115,000            102,500          100,000

Operating expenses              50,000             50,000            45,000

Operating income                  13,400            10,000            10,500

Question 1: In comparison to year 2017, the effect of sales growth on operating income of 2018 was (ignore taxes):

Group of answer choices

• $473.
• $431.
• $7,000
• $6,667.