Please help me understand my homework

At an output level of 14,000 units, you have calculated that the degree of operating leverage is 3.55. The operating cash flow is $16,800 in this case. a. Ignoring the effect of taxes, what are fixed costs? Fixed costs b. What will the operating cash flow be if output rises to 15,500 units? OCF at 15,500 units c. What will the operating cash flow be if output falls to 13,500 units? OCF at 13,500 unitsO Night Shades Incorporated (NSI) manufactures biotech sunglasses. The variable materials cost is $2 per unit, and the variable labor cost is $3.4 per unit. a. What is the variable cost per unit? Variable cost +Book Print erences b. Suppose the company incurs fixed costs of $680.000 during a year in which total production is 374,000 units. What are the total costs for the year? Total cost c. If the selling price is $9.7 per unit, what is the NSI break-even on a cash basis? Cash break-even point