Stuart Company produces a product that sells for $45 per unit and has a variable cost of $25 per unit. Stuart incurs annual fixed costs of $134,000. Required a. Determine the sales volume in units and dollars required to break even (Do not round intermediate calculations.) b. Calculate the break-even point assuming fixed costs increase to $168,000. (Do not round intermediate calculations.) a. Sales volume in units Sales in dollars b. Break-even units Break-even sales