istmann 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?

Deluxe and basic

Premier

Premier and super

Deluxe

Deluxe and super

Super

Basic

Premier an basic