Write a Private statement to declare a class-level variable named dblGrandTotal.

Write an assignment statement that subtracts the contents of the dblExpenses variable from the contents of the dblIncome variable and then assigns the result to the dblNet variable.

Write an assignment statement that increases the contents of the decPrice variable by2%.

Write an assignment statement that adds together the values stored in the decDomestic and decInternational variables and then assigns the result to a String variable named strIncome.

Write the statement to declare a Double variable that can be used by two procedures in the same form. Name the variable dblNetIncome. Also specify where you will need to enter the statement in the Code Editor window and whether the variable is a procedure-level or class-level variable.