Astorepays$280foratable.Thestoremarksupthepriceby15.625%.Whatistheamountofthemark-up?

To find the amount of the mark-up, first calculate 15.625% of the original price:

15.625% of $280 = 0.15625 x $280 = $43.75

Therefore, the amount of the mark-up is $43.75.