Figure 3.1 shows an incomplete C++ program. Refer to the figure and answer question 3(a)-(c). Write the complete program. int main() { Person p; cout > p.age; cout > p.salary: // Function call with structure variable // as an argument displayData (p); return 0; Figure 3.1 d. Write a code segment to define struct Person (5 ma b. Write function definition of displayData() (5 ma c. Modify function main () to input 50 data of type Person. (5 ma