Sutton Hot Dog Stand sells hot dogs for $1.35. Variable costs are $1.05 per unit with fixed production costs of $90,000 per month at a level of 400,000 units. Fixed administrative costs total $30,000. Sales average 400,000 per month, with planned production of 400,000 hot dogs. Required: a. What are breakeven unit sales under variable costing? b. What are breakeven unit sales under absorption costing if she sells everything she prepares? c. What are breakeven unit sales under absorption costing if average sakes are 498.000 and planned production is changed to 500,000