2. Based on the program below, 1 #include 3 int x=10; 4 6. void func1() { printf("x=%d\n", x); return; 7 8 10 11 12 int func2(int a, int b) { 13 14 15 return a+b; 16 17 18 func3(...) { 19 ... 20 21 ... 22 return ... 23 } 24 25 int main() { int x=1, y=2; func1(); 26 27 28 29 30 int z=func2(x, y); printf("z=%d\n", z); 31 32 33 34 Figure 2. C Program for Q2 a. What is the output after execution of line 29 and 32? b. func30) in line 19 to 23 is incomplete. Write the function, func3() to compute and print the volume of cuboid with length x, width y and height z. c. Complete line 33 to call func3( that you created in part (b).