Atax of 20% is collected on every purchase at a supermarket.
select all the statements that are correct.
answer choices
a box of chocolates that costs $10 before tax will cost $12 after tax.
a book that costs $20 before tax will cost $24 after tax.
a set of books that costs $48 after tax will cost $40 before tax.
a flower vase that costs $24 before tax will cost $22 after tax.