Exercise $6-4($Algo$)$ Computing and Using the CM Ratio $[$LO$6-3]$

Last month when Holiday Creations, Incorporated, sold $37,000$ units, total sales were $$148,000,$ total variable expenses were $$115,440,$ and fixed expenses were $$36,500.$

Required:

What is the company's contribution margin $($CM$)$ ratio?

What is the estimated change in the company's net operating income if it can increase sales volume by $500$ units and total sales by $$2,000?($Do not round intermediate calculations.$)$

$\backslash$table$[[1.$ Contribution margin ratio,$\%$