Q. How to calculate the elasticity coefficient between each of the seven prices and indicate whether the character of demand is Elastic (E), inelastic (I), or unitary (U) at that midpoint. Also indicate the Total Revenue for each price. Round to the nearest 1/100. When highway departments receive bids from guard rail and other construction firms, they regularly open the sealed bud tenders and announce the identity and the bid of the winning bidder. Do you think that this practice facilitates or hider's collusion among the construction firms?