Given the actual demand for years 2013/14, calculate the total forecast for year 2015, as well as the forecast units for each quarter of 2015.

For your calculations use the principles of trend and seasonality.

List five figures, as follows: Total, Q1, Q2, Q3, Q4

Quart.	Year 2013	%	Year 2014	%	Year 2015	%
1	16		20
2	33		34
3	58		70
4	33		32