Last month when Holiday Creations, Incorporated, sold $44,000$ units, total sales were $$176,000,$ total variable expenses were $$139,040,$ and fixed expenses were $$38,700.$

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 $300$ units and total sales by $$1,200?($Do not round intermediate calculations.$)$

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