1. Simply answer the following questions: a. What is top-down integration and bottom-up integration? Explain the advantages and disadvantages of each. b. Why conventional testing strategies do not fit to object-oriented program testing? 2. Please identify the test cases for the following code segment using basis path testing: Procedure Sale Salary (n: integer, key, task: array[1.n] of integer, name: array[1.n) of string, level : integer, personname: string) var j, salary: double, promotion : double begin salary: 0; personname null; while (i 0) then salary: salary + 100 promotion :- salary * task/key; if (promotion 0.2 && promotion =0.5 && promotion <>