Required information Foundational Exercises (LO2, LO3] [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: Month January February March April May June July Units Shipped 4 4 5 2 3 6 8 Total Shipping Expense $ 1,640 $ 2,540 $ 1,900 $ 1,206 $ 1,770 $ 2,160 $ 2,976 Foundational 3-8 8. If the air conditioners have an average sales price of $4,300, variable direct manufacturing costs are $2,150 per unit, variable manufacturing costs (excluding overhead) are $860 per unit, and variable selling and administration costs (excluding shipping) are $170 per unit, what is the contribution margin per unit? Contribution margin per unit Required information Foundational Exercises (LO2, LO3] [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: Units Shipped 4 4 Month January February March April May June July Total Shipping Expense $ 1,640 $ 2,540 $ 1,900 $ 1,206 $ 1,770 $ 2,160 $ 2,976 5 2 3 6 8 Foundational 3-9 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 margin ! Required information Foundational Exercises [LO2, LO3] [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: Month January February March April May June Units Shipped 4 4 5 2 3 6 8 Total Shipping Expense $ 1,640 $ 2,549 $ 1,900 $ 1,206 $ 1,770 $ 2,160 $ 2,976 July Foundational 3-10 10. Given the facts in part 3-8, if total fixed costs (excluding shipping) are $1,050 per month, estimate operating income for August if seven air conditioners are produced and sold. Operating income