Respuesta :

Answer

$3.71


Explanation

The tax is 6% of $3.50

6% of 3.50 = 6% × 3.50

                    = 6/100 × 3.50

                     = 0.06 × 3.50

                      = 0.21

Tax = $0.21

Cost after tax = $3.50 + $0.21

                       = $3.71