5% of $20.75 is 1.0375; so is the final figure a flat $1.03 or the 75 is added some how and if so what is it?
No do not add anything. The multiplication with the 5% already has taken it into account becasue
.05 * 20 + .05 * .75 = 1.0375 or when rounded to dollars it is 1.04
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