PLEASE HELP! PLEASEE Match the following equation to the correct situation.

s − s(21%) = s(79%)
A.
the price for a shirt that originally cost s after a 21% discount

B.
the amount that Anis owes on his car was 21% of s

C.
the amount that Katie paid for a pair of jeans with 21% tax on s

D.
the amount Doug gave to the local heart association was 21% of s