Please answer questions 1, 2, 3, 4, 5, 6, 7, and 8. Thank you. :)

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 Shipp ed Total Shipping Expense Month Januar $2,200 Februa $3,100 March $2,600 April $1,500 May $2,200 June $3,000 July $3,600 3-1 Which two months should be used if Phillips wants to estimate the behaviour of shipping expenses using the high-low method? 2. 3-2 Using the high-low method, what is the variable cost per unit to ship air conditioners? 3. 3-3 What is the fixed cost of shipping air conditioners? 4. 3-4 What is the cost formula for shipping expenses? 5. 3-5 If seven air conditioners are shipped in August, estimate the total shipping expenses. 6. 3-6 If nine air conditioners are shipped in September, estimate the fixed shipping expenses. 7. 3-7 If 10 air conditioners are shipped in October, estimate the variable shipping expense. 3-8 Page 82. If the air conditioners have an average sales price of $5.000. variable manufacturing costs are $2,500 per unit, variable manufacturing overhead is