need help on this homework problem, been struggling with it

Develop a decision table for the Spring-Green Lawn Care discount policy. Next, simplify the decision table by merging rules appropriately. Note: this question has two parts - your answer shall provide the initial decision table which you develop and then explain how you plan to simplify the rules (e.g., "I plan to merge rule #2 and rule #8 to create a new rule, which looks like." A local company called Spring-Green has set up accounts for customers in Boone County, IA. Spring-Green provides three services, which are Lawn Services, Pest Services, and Tree Services. It sends out invoices monthly and gives discounts. The discounting policy is as follows: If a customer order includes all three services, apply a 5 percent discount for the order; if the order only includes Lawn Services and Tree Services, apply a 4 percent discount; if the order only includes Lawn Services and Pest Services, apply a 2 percent discount; if the order only includes Pest Services and Tree Services, apply a 1 percent discount. Royal customers, who have been with Spring-Green for 5 years or more, receive an extra 1.5 percent discount Hint: possible actions that may result from the discount decisions include "applying 5% discount," "applying 4% discount," "applying 2% discount," "applying 1% discount," "no discount," and "applying an additional 1.5% discount