please help

Newport Company sells one of its products for $38 per unit. Newport purchases the product from its supplier for $18 per unit, pays $2 per unit for shipping and incurs an additional $2 per unit in selling and administrative costs. There are $132,800 of fixed costs related to the product. Calculate the following: Enter your answers as whole numbers and do not use dollar signs, decimal points or commas. 1. Newport's contribution margin per unit 2. The number of units Newport must sell to break even 3. The number of units Newport must sell to earn a pretax profit of $80,000 AJ AJ