OfficeMates makes custom$-$imprinted three$-$ring binders for business customers. its prices are: $$4\mathrm{.}00$ per binder for a single order of up to $50$ binders, $$3\mathrm{.}50$ per binder for a single order of $51$ to $100$ binders; and $$3\mathrm{.}00$ per binder for a single order over $100$ binders. OfficeMates is using a

Multiple Choice

seasonal discount.

cash discount.

cumulative quantity discount.

noncumulative quantity discount.

basic list price.