The building materials contained in such building so razed or removed may be sold by the governing board at public sale to the highest responsible bidder after not less than five days notice of intended sale published at least once in a newspaper of general circulation published in the city or county wherein such building is located, either before or after said building has been razed or removed and any amount received from the sale of such building materials shall be deducted from the expense of razing or removing said building. The enforcement agency shall keep an itemized account of the expense involved in the razing or removing of any such building and shall deduct therefrom the amount received from the sale of the building materials. The enforcement agency shall cause to be posted conspicuously on the property from which the building was razed or removed a statement verified by the officer of the enforcement agency in charge of doing the work showing the gross and net expense of the razing or removing of such building together with a notice of the time and place when and where said statement shall be submitted to the governing board of the enforcement agency for approval and confirmation and at which time said governing board shall consider any objections or protests, if any, which may be raised by any property owner liable to be assessed for the cost of such work and any other interested persons. A copy of said statement and notice shall be mailed in the manner prescribed in Section 58 and an affidavit of such posting and mailing shall be filed in the manner prescribed in said section. The time for confirmation shall be not less than five days from the date of the posting and mailing of said statement and notice.