The sales tax rate is 7.75%.
Jean pays tax on only items marked with T.
The items marked with T are Dog Food & Hand soap.
Cost of Dog food is $12.97
Cost of Hand soap is $3.39
Total cost of Dog Food & Hand soap is 12.97 + 3.39=$16.36
The rate of sales tax is 7.75%
So sales tax on $16.36 = 7.75% of 16.36 = 0.0775 × 16.36 = $1.2679
So Jean pays a tax of $1.2679 which is $1.27 rounded to the nearest cents.
The sales tax paid by Jean on the items marked T is $1.27