which if the following options should not be done when preparing a contract for a slurry seal in a shopping centre parking lot 1) the property manager should add a provision to provide for advance payments to the contractor 2) the property manager should give advance notice to tenants who may be affected by the work 3) the contract should clearly state the commencement date and the completion date of the work to be done 4) a specific contact person should be named on the property management team and on the contractor team