(a) In addition to other allowed charges, at the time property is redeemed a pawnbroker may collect a handling and storage charge for certain pawned articles. Irrespective of the duration of the loan, the maximum amount that may be charged pursuant to this section is in accordance with the following schedule:
(1) Five dollars ($5) for any article that cannot be contained within one cubic foot.
(2) Ten dollars ($10) for any article that cannot be contained within three cubic feet.
(3) Twenty dollars ($20) for any article that cannot be contained within six cubic feet and one dollar ($1) for each additional cubic foot in excess of six cubic feet.
(b) No storage charge is allowed for any article that can be contained within one cubic foot.
(c) For purposes of this section, cubic feet shall be determined by multiplying the width of an article, at its greatest width, by the depth of an article, at its greatest depth, by the height of an article, at its greatest height.