Write a suitable C Program to accomplish the following tasks.

Task $2$:

a$.$ Write four different C statements that each add $1$ to integer variable x$.$

b$.$ Write a single C statement to assign the sum of x and y to z and increment the

value of x by $1$ after the calculation.

c$.$ Write a single C statement to multiply the variable P by $2$ using the $*=$ operator.

d$.$ Write a single C statement to add the variable x to the variable total, then

decrement x by $1.$