[The following information applies to the questions displayed below.) Archer Company is a wholesaler of custom-built air-conditioning units for commercial buildings. It gathered the following monthly data relating to units shipped and total shipping expense: Unita Shipped Month January February March April May June July 5 6 8 Total Shipping Expense $ 1.900 $ 2,400 $ 1,800 $ 2.100 S 2,400 $ 2.200 $ 1,300 2 2. Using the high-low method, estimate the cost formula for shipping expense. Variable shipping expense Fixed shipping expense per unit per month February March April May June 2 5 6 $ 2,400 $ 1,800 3 2,100 5 2,400 0 2.700 1.300 July 9 2 What factors, other than the number of units shipped, are likely to affect the company's shipping expense? [You may select more han one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the ox with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically raded as incorrect.) Weight of the units shipped Distance traveled Sales commissions 2 Trade discounts given to repeat customers