Archer Company is a wholesaler of custom-built air-conditioning units for commercial bulldings. It gathered the following monthly data relating to units shipped and total shipping expense: 4. What factors, other than the number of units shipped, are likely to affect the company's Jhipping 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) Weight of the units shipped Distance traveled Sales commissions Trade discounts glven to repeat customers Express ahipping to meet s deadine