If concrete redi-mix supply prices came in on bid day of $95/CY and $102/CY and $107/CY for 3,000, 4,000, and 6,000 psi mixes, respectively, what would be a potential bid adjustment the estimator might make?

Refer to the quantities in the example shown in the CIP concrete systems section. Provide an argument why he or she should or should not (choose one position) make this adjustment on bid day – there are a couple of reasons for both.