Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998. Find the average annual increase between 1995 and 1997. Year Charitable Contributions 1993 $1990 1994 $2430 1995 $2480 1996 $2830 1997 $3010 1998 $3170 O $345 per year O $305 per year o $280 per year O $560 per year
