5 Part 3 of 10 10 points 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: Total Shipping Month Units Shipped Expense eBook January 4 $ 2,160 February 4 $ 3,060 March 5 $ 2,550 April Print May June July 2368co $1,284 $ 2,160 6 $ 2,940 $ 4,224 References Foundational 3-6 6. If nine air conditioners are shipped in September, estimate the fixed shipping expenses. Fixed expense