If the Bid, which results in the lowest evaluated bid price, is seriously unbalanced or front loaded in the opinion of the employer, the employer may require the bidder to produce detailed price analyses for any or all items of the Bill of Quantities, to demonstrate the internal consistency of those prices with the construction methods and schedule proposed. After evaluation of the price analyses, taking into consideration the schedule of estimated contract payments, the employer may require that the amount of the performance security be increased at the expense of the bidder to a level sufficient to protect the Employer against financial loss in the event of default to the successful bidder under the contract