a) Briefly discuss the difference between two designs depicted in Figure II, explaining advantages and disadvantages of both. [7 Marks] dependen's Handler +handle Visual Pampoms interface>>Wayuersity of London Handler +handle() Class B +operation(a : Handler): int ClassB 1+operation Ala : HandlerA): int +operation B(b: HandlerB): int Design 1 Design 2 Handler HandlerB HandlerB +handle() 299792458) /o objects travels faster than speed of light return Double.POSITIVE_INFINITY; //incorrect speed if(speed > 1) return speed * 0.000621271; // convert to miles } i) List the minimum set of test inputs that will achieve 100% statement coverage (for each test input specify the statement(s) it covers). ii) List the minimum set of test inputs that will achieve 100% branch coverage (for each test input specify the branch(es) it covers). iii) Briefly discuss if the execution results of the test sets above reveal any bugs in the code? [10 Marks]