answer this!

Leanne has been analyzing her brand's monthly P&L. Her net sales grew by 15% this month and ended the month at $1,622,400. Her variable costs remained steady at $640,000 and fixed costs are also on track at $350,000. Even though she sold more this month, her operating profit unfortunately shrunk by 13%. What is the most likely explanation for this decrease in operating profit? 0 Increases in Marketing and Advertising expenses 0 Increases in COGS O Increases in discounts to retailers O Decreases in Marketing and Advertising expenses 0 Lack of fluctuation in variable costs