please help to answer all parts from both problems.

Last month when Holiday Creations, Inc., sold 37,000 units, total sales were $148,000, total variable expenses were $113,960, and fixed expenses were $39,600. Required: 1. What is the company's contribution margin (CM) ratio? 2 What is the estimated change in the company's net operating income if it can increase sales volume by 575 units and total sales by $2,300? (Do not round intermediate calculations.) 1. Contribution margin ratio 2. Estimated change in net operating income Mauro Products distributes a single product, a woven basket whose selling price is $26 per unit and whose variable expense is $19 per unit. The company's monthly fixed expense is $8,400. Required: 1. Calculate the company's break-even point in unit sales 2. Calculate the company's break-even point in dollar sales. (Do not round intermediate calculations.) 3. If the company's fixed expenses increase by $600, what would become the new break-even point in unit sales? In dollar sales? (Do not round intermediate calculations.) baskets 1. Break-even point in unit sales 2 Break-even point in dollar sales 3. Break-even point in unit sales Break-even point in dollar sales baskets