You have been talking to your co$-$worker about a document you just sent to a supplier. The document contains your offer to purchase $50$ gallons of lubricating oil and has the terms and conditions of the purchase printed on the document. The document is legally binding if the supplier accepts it$.$ This document is a:

Group of answer choices

a$.$ Purchase Order

b$.$ Production Plan

c$.$ Planned Order Release

d$.$ Purchase Requisition

a

b

C

d