75% of $8.50 = $6.38 (rounded).
The sale price is $7.23 + tax.
89 cents
Fifty six cents.
$1.25
Twenty eight dollars and fifty-two cents.
$8.50
$2.45
58.07 = fifty eight and seven hundredths (or fifty eight dollars and seven cents)
eight hundred forty-three dollars and fifty-two cents
One dollar and fifty cents.
The number 850.00 is "eight hundred fifty" (and no hundredths). The currency value $850.00 is "eight hundred fifty dollars" (and no cents).
50% is a half of 27 dollars, which is $13.50 (thirteen dollars and fifty cents).