(1) Building Variety. Any development providing four (4) or more types of housing models defined by different floor plans, exterior materials, or roof lines is eligible for a ten percent (10%) increase in density.

(2) Affordable Housing. Any PD which provides deed-restricted affordable housing defined by eighty percent (80%) AMI (average median income) may be eligible for a density bonus. The percentage of density bonus given for affordable housing shall be equal to the percentage of affordable housing units provided, up to forty percent (40%) above the underlying zone base density.