Flow...s (1) H DIS 511: Program Flow Chart, Decision Tree and Decision Table 1. XYZ company is developing a pay processing program. There are two grades of employees, A and B. Those in A are paid an hourly rate of Ksh 500, while those in B Ksh 700. Required: a) Express the logic using a program flowchart. b) Express the logic using a decision tree. c) Using Excel, develop a program to compute pay and print a pay slip. d) Using a programming language of your choice, develop a program to compute and print pay slip.