apiece
adv. degreeadv. for each person or thing in a group. You use this after a number to show the price or amount for every single item.
adv. to or for each individual person or item in a set. Typically follows the numeral or noun phrase it modifies.
The tickets cost twenty dollars apiece.
The two companies were fined five million dollars apiece for their roles in the price-fixing scandal.
The antique chairs were sold for three hundred pounds apiece, a price that reflected their excellent condition and historical significance.
From Middle English a pece. By surface analysis, univerbation of a + piece.
Always follows the noun or number it refers to; it cannot be used at the start of a sentence.
They cost apiece ten dollarsThey cost ten dollars apieceApiece must follow the quantity or price it modifies, rather than preceding it.