Using a compound operator, write an assignment statement to increment the value in intAmount by 7. Using a compound operator, write an assignment statement to decrease the value in intCounter by 4.5....

Using a compound operator, write an assignment statement to increment the value in intAmount by 7.

Using a compound operator, write an assignment statement to decrease the value in intCounter by 4.5.

Using a compound operator, write an assignment statement to increment the value in intQuantity by 10.