Problem a. Declare int variables x and y b. Initialize an int variable x to 10 C. Update the value of an int variable x by adding 5 to it d. Initialize char variable to 'B' e. f. Declare int variables to store four (4) integers Declare and initialize a double variable payRate to 12.50 Answer g. Problem Copy the value of an int variable firstNum into an int variable tempNum h. Swap the values of the int variables num1 and num2. Initialize the values to 23 and 32 respectively. i. Declare a char variable grade and set the value of grade to 'A'. Answer