please respond quickly

Phillips Company manufactures air-conditioning units for commercial buildings and has noticed considerable variation in shipping expenses from month to month as per the data below: oundational 8, 9, 10, 11, 12 Phillips High-Low -contribution margin, operating income If the air conditioners have - an average sales price of $5,500, - variable direct manufacturing costs are $2,750 per unit, - variable manufacturing overhead costs are $1,100 per unit, and - variable selling and administration costs (excluding shipping) are $220 per unit what is the contribution margin per unit? Answer is complete and correct. What is the total contribution margin for August if seven air conditioners are produced and sold. 0. What is operating income for August if seven air conditioners are produced and sold and total fixed costs (excluding hipping) are $1,350 per month. 1. By how much would the total contribution margin decrease in August if Phillips decides to offer its customers a 5\% rice discount on the seven units? 2. By how much would operating income decrease in August if Phillips decides to offer its customers a 5% price liscount on the seven units