Use the Table Below to Answer the Following Question(s)

Use the table below to answer the following question(s) .
Below is a spreadsheet for Stone Age Surfboards.

Assume that the finishing time for a pair of Rockwell surfboards is triangular with a minimum value of 1.4, a most likely value of 1.5, and a maximum value of 1.8 and that finishing time for a pair of Limestone surfboards is also triangular with a minimum value of 1.8, a most likely value of 2.0, and a maximum value of 2.4.The number of trials per simulation is equal to 5000.
-Which of the following cells is defined as the uncertain output cell?

A) D15
B) D16
C) D19
D) D22