Urban City and Thru-Way Construction Company Enter into a Contract

Multiple Choice

Urban City and Thru-way Construction Company enter into a contract that includes calculations.Urban,whose engineer,Sergei,compiled the figures,discovers later that some numbers were added incorrectly,but Thru-way refuses to make changes.Urban can

A) not rescind the contract.
B) rescind the contract on the basis of fraud.
C) rescind the contract on the basis of mistake.
D) rescind the contract on the basis of duress.