Process costing is suitable for Select one: a. Oil refining firms O b. Brick laying firms c. Hospitals d. Transport firms. Cost accounting was developed because of the Select one: o a. limitations of the management accounting. b. limitations of the financial accountir c. limitations of the human resource accounting. d. limitations of the double entry accounting Wages paid for labor engaged in the production activities is alan Select one: O a direct cost. b. indirect cost o c. sunk cost o d. imputed cost