In cell b14, create a formula without using a function that adds 1 to the value in cell b12 and then multiplies the result by the value in cell b13. in this formula, use a mixed reference for cell b12 by including an absolute reference to row 12. copy the formula from cell b14 to the range b15:b17 and then copy the formulas from the range b14:b17 to the range c14:h17.