The Table Below Shows the Sales for a Plastics Manufacturer

Multiple Choice

The table below shows the sales for a plastics manufacturer recorded over the past year. The seasonal indexes for each quarter are also provided) . To track the trend for these four quarters, use the indexes to deseasonalize the sales data) Overall, based on these four quarters, sales:

A) are definitely increasing.
B) are definitely decreasing.
C) are constant.
D) are exponentially decreasing.
E) cannot be determined