Cost of rain coat = $39.99
Sale tax = 7%
First, calculate the sale tax value:
39 . 99 x (7 / 100 ) = 39.99 x 0.07 = 2.7993 =2 .80
Finally, add the value to the initial cost:
Final price = 39.99 + 2.80 = $42.79
Answer: $42.79
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