BOSTON (AP) — Gasoline prices in Massachusetts are up another six cents this week.

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AAA Southern New England reports Monday that the average cost of self-serve, regular is now $3.73 per gallon, a penny above the national average.

The price is 17 cents higher than a month ago and nine cents higher than a year ago.

AAA’s survey found self-serve regular selling for as low as $3.59 per gallon and as high as $3.89.

Copyright 2012 The Associated Press.