Davison Co$.$ prepared the following contribution format income statement based on a sales volume of $10,000$ units $($the relevant range

of production is $5,000$ units to $15,000$ units$)$:

Required:

If the selling price increased by $$3\mathrm{.}30$ per unit and the sales volume decreased by $1,000$ units, what would be the net operating

income? $($Do not round intermediate calculations.$)$