Further, also permitted within the AHOZ-2 Zone shall be the retail/commercial uses as permitted and regulated in the G-B General Business Zone of the Township of Edison. Up to thirty-five (35%) percent of the gross tract area, or a maximum of nine (9) acres, whichever is greater, within the AHOZ-2 Zone may be used for retail/commercial uses as permitted and regulated in the G-B General Business Zone, provided that sufficient land remains to the tract to permit its development with a total of three hundred (300) multifamily dwelling units at a density of fourteen (14) units per gross residential acre, as defined in subsection 37-44.7.