25) Which of the following costs is often important in decision making, and is included in conventional accounting records? a. Sunk cost O b. Allocated cost O c. Opportunity cost O d. Unallocated cost 34) If the opening stock is 100 units, Purchases are 70 units and you consumed 20 units, how much is your closing stock 190 150 O 10 O Cannot be determined 37) What is the allocation base for the single plantwide overhead rate Can be done on actual basis BE