Listmann Corp. processes four different products that can either be sold as is or processed further.

Listed below are sales and additional cost data:

Product	Sales Value with no further Processing	Additional Processing Costs	Sales Value after further processing
Premier	$1,350	$900	$2,400
Deluxe	450	175	680
Super	900	950	1,800
Basic	90	45	100

Which product(s) should not be processed further?

Super & basic

Premier and super

Deluxe

Basic and deluxe

Premier an basic

Deluxe and super

Deluxe and basic

Premier