.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

70

35

110

Which product(s) should not be processed further?

Deluxe and basic

Basic

Deluxe and super

Premier

Super

Premier and super

Deluxe

Premier an basic