please let me know what boxes shoulf be checked!

ix Chapter 6 Graded Homework i Sowed Help Save & Exit [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: Units Shipped Month January February March April May June July Total Shipping Expense $ 1.800 $ 2.300 $ 1,700 $ 2,000 $ 2, 3ee $ 2,709 $ 1,200 encer 4. What factors, other than the number of units shipped, are likely to affect the company's shipping expense? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) 2 Weight of the units shippld Distance traveled 2 Sales commissions 2 Trade discounts given to repeat customers 2 Express shipping to meet a deadline