Answer:
As this is multiple choice, and not listed.
Answer is anything that resembles $555.10 , $550 or 555 1/10. or $555.1
It wouldn't be any closer by rounding up or down
It would be closer to anything within its first units only then if not check how close the tens are, then if not check the hundreds. IF nothing shows 2 answers close to $500-$600
then you need to ignore the decimals while you work it out.
208.24
348.68
+59.86
= 1.78
+615.00
=616.78 = 10% of = 61.68 = 555 1/10 = $555.1
Tax = 10% inc all other.
You need to find the listed answers closest to $551.10