∞What is a sensible set of timeframes to break up the action plan
into three or four phases? For example:
--a 10-year plan could be split into three time periods of 0–3
years, 3–6 years, and 6–10 years;
--a 5-year plan could be split into three periods of 0-18 months,
18–36 months and 36 months to 5 years.