Please answer 3.27,28, and 29.

Giving explanations will be great.

ng from 12 to 16 credit hours. Students taking fewer than 12 credit hours are charged per credit hour. Students taking more than 16 credit bours are charged s4.500 plus s375 16 so credit hour in excess of A beauty shop's purchase of soaking solution to remove artificial nails. Each jar of solu" tion can soak off approximatel nails before losing its effectiveness. Furchase of diagnostics equipment by a company for inspection of incoming orders. g use of disposable gowns by patients in a hospital. no Cast of labor at a local fast-food restaurant. Three employees are always on duty during working hours more employees can be called in during periods of heavy demand to work u A manufacturer found that the maintenance cost of its heavy machinery was tied to the age of the equipment. Experience indicated that the maintenance cost increased at an increasing rate as the equipment aged. CPA-TYPE EXERCISES CPA Exercise 3.26 Co. manufactures one product with a selling price of S18 and variable cost of S12. Star- ling's total annual fixed costs are S38.400. If operating income last year was s28,800, what was the number of units Starling c, 5.600 6.400 d. 11.200 e 3.27 (2009 CPA Exam) Which of the following costs would decrease if production levels were increased within the rele- vant range? a, total fixed costs c. total variable costs variable costs per unit d- fixed costs per unit ercise 3.28 (2009 CPA Exam) The regression analysis results for ABC Co. are shown as y 90x 45. The standard error (Se) is 30, and coefficient of determination (R is 0.81. The budget calls for production of 100 units. What is ABC's estimate of total costs? S3,090 d. S4.590 b, S9.045 e. S11,200 Exercise 3.29 (2010 CPA Exam) An increase in production levels within a relevant range most likely would result in: a. increasing the total cost. c. decreasing the total fixed cost b, increasing the variable cost per unit. d. decreasing the variable cost per unit