TB MC Qu. 06-33 Manero Company included the... Manero Company included the following information in its annual report Sales Cost of goods sold Operating expenses Operating income 20x3 $178,400 115,000 50,000 13,400 20x2 $162,500 102,500 50,000 10,000 20x1 $155,500 100,000 45,000 10,500 In comparison to year 20X1, the effect of sales growth on operating income of 20x2 was (ignore taxes) es $473 $431 $6,667 $7,000