That is correct. Is there a question regarding this?
It is because both the dividend and the divisor are multiplied by 10, 100, 1000, or some other power of ten.
Oops wrong question I answered, Sorry.
Answer:
$311.9
599.99*.48= 287.9952
599.99-287.9952
= 311.9048
rounded to nearest cent is $311.90