Calculate the forecast. Demand for the preceding four years is:

Year 1 is 62,400

Year 2 is 63,200

Year 3 is 64,700

Year 4 is 62,600.

What is the forecast demand for year 5 using a three-year weighted average using:

0.4 for year 4.

0.2 for year 3.

0.4 for year 2.

Options: 62,400, 63,200, 64,700, or 62,660.