$\backslash$table$[[,$Per Unit,$\backslash$table$[[$Percent of$],[$Sales$]]],[$Selling price,$ $135,100\%],[$Variable expenses,$81,60],[$Contribution margin,$ $54,40\%]]$

Fixed expenses are $$87,000$ per month and the company is selling $2,900$ units per month.

Required:

$1-$a$.$ How much will net operating income increase $($decrease$)$ per month if the monthly advertising budget increases by $$9,200,$ the monthly sales volume increases by $100$ units, and the total monthly sales increase by $$13,500?$

$1-$b$.$ Should the advertising budget be increased?

Answer is complete but not entirely correct.

Complete this question by entering your answers in the tabs below.

How much will net operating income increase $($decrease$)$ per month if the monthly advertising budget increases by $$9,200,$ the monthly sales volume increases by $100$ units, and the total monthly sales increase by $$13,500?$

Note: Do not round intermediate calculations.

Net operating income

decreases

by

$ $6,200$