A 3-period investment project has the following cash flows at times t = 0, 1, 2, and 3: -19, 35, -40, and 43 respectively. Complete the triangle for this project and then answer the following question pertaining to the bottom row of numbers; i.e., the row below the horizontal line.

Reading the numbers of the bottom row of the triangle from left to right, what is the value of the third number?