Beginning inventory, purchases, and sales data for prepaid cell phones for May are as follows: Inventory Purchases Sales
May 1 2,800 units at $34 May 10 1,400 units at $36 May 12 1,960 units
May 20 1,260 units at $38 May 14 1,680 units May 31 840 units

Required:
Assume that the business maintains a perpetual inventory system, costing by the first-in, first-out method. Determine the cost of merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated above.

Penny poodle wanted to know which dog obedience training program was more effective: puppy pride, the approach she has been using for any years, or doggie do-right, a new approach. penny convinced 50 human companions of untrained dogs to participate in her study. the dogs and their humans were randomly assigned to complete the puppy pride or doggie do-right course. at the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). the design of this study is: