Last month when Holiday Creations, Incorporated, sold $50,000$ units, total sales were $$200,000,$ total variable expenses were $$120,000,$ and fixed expenses were $$65,000.$

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 $250$ units and total sales by $$1,000?$

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