The Taco Barn After tallying the receipts for their first year of operation, the owners of the Taco ...

The Taco Barn
After tallying the receipts for their first year of operation, the owners of the Taco Barn are encouraged. Sales of their artisanal tacos, made from such exotic ingredients as ground beef, cheese, and beans, have been strong and seem to give hope to the coming year. Taco sales by month are shown in the table.

Month	Sales
January	474
February	485
March	501
April	588
May	579
June	673
July	594
August	679
September	608
October	699
November	732
December	732

Armed only with his fingers, the owner decides that the safest forecasting approach is a moving average of two periods. His fingers are aching by the time he reaches May and he is worried about his ability to stuff tacos during tomorrow's dinner rush. Help him out by finding the forecast for June.

• 583.5

• 544.5

• 626

• 673