A) A grocery company decides on a sales promotion policy as follows: • Preferred customers who order more than 2500 cedis are entitled to a 12% discount and an additional 3% discount if they use our charge card.
• Preferred customers who do not order more than 2500 cedis receive a 30 cedis bonus coupon.
• All other customers receive a 35 cedis bonus coupon.

i. Construct a decision table for the above scenario.
ii. Determine rules with the same action and are also identical but for one condition and consolidate those rules.
(14 marks)

b) Interpret the following decision table and also determine rules with the same action and are also identical but for one condition and consolidate those rules.

1 2 3 4 5 6 7 8
Credit Status is ok Y Y Y Y N N N N
Product is in stock Y Y N N Y Y N N
Waiver from credit Manager Y N Y N Y N Y N
Accept order X X X
Reject order X X X X X