Required information [The foiiowing information applies to the questions displayed beiom] 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: Tubal Units Shipping Month Shipped Expense January 4 $1,800 February 4 $2,700 March 5 $2,100 April 2 $1,230 May 3 $1,890 June 6 $2,400 July 8 $3,360 8. If the air conditioners have an average sales price of $5.100. variable direct manufacturing costs are $2.550 per unit. variable manufacturing costs {excluding overhead) are $1,020 per unit. and variable selling and administration costs {excluding shipping) are $200 per unit. what is the contribution margin per unit'? Required information [The following information applies to the questions displayed below.] 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: Total Units Shipping Month Shipped Expense January 4 $1, 800 February $2, 700 March $2, 100 April $1, 230 May $ 1 , 890 June $2 , 400 July $3, 360 9. Given the facts in part 3-8, estimate the total contribution margin for August if seven air conditioners are produced and sold. Total contribution marginRequired information [The following information applies to the questions displayed below.] 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: Total Units Shipping Month Shipped Expense January 4 $1, 800 February $2, 700 March $2, 100 April $1, 230 May $ 1 , 890 June $2 , 400 July $3, 360 10. Given the facts in part 3-8, if total fixed costs (excluding shipping) are $1,250 per month, estimate operating income for August if seven air conditioners are produced and sold. Operating income