Why do economists use the midpoint method to calculate the price elasticity of demand between demand/price combination (q1, p1) and combination (q2, p2)?

The upper-level managers of synergy technology are meeting for the week to look at the long-term company goals and overall direction of the organization. the ceo has expressed her concern over the economy and has told her managers to look closely at the environment outside the organization before making decisions and to be future oriented. in this meeting, top managers of synergy are