Brown sells tiling grout and reports the following data:

Kilograms produced and sold	625,000 kg
Sales revenue
$5,625,000
Variable manufacturing expense
1,875,000
Fixed manufacturing expense
1,000,500
Variable selling and administrative expense
625,000
Fixed selling and administrative expense
562,000
Net operating income
$ 1,562,500

Calculate the companys operating leverage if sales decrease by 10%.