$"$In doing $""$aggregate planning"" for a firm producing paint, the aggregate planners would most likely deal with"

"gallons of paint, but be concerned with the different colors to be produced."

"just gallons of paint, without concern for the different colors and sizes."

all the different sizes and all the different colors by size.

"gallons, quarts, pints, and all the different sizes to be produced."

Inventory turnover is

average inventory divided by annual sales.

cost of goods sold divided by average inventory.

average inventory divided by cost of goods sold.

cost of goods sold multiplied by annual sales.