ms. younga, maybe you can help me understand. can you conceptually describe, what is the formula to decide if there were to be x number of bmrs on-site or inclusionary was supposed to -- if developers chose to do bmrs on-site versus doing the land dedication, how does the planning department decide how much square footage -- [multiple voices] >> i'll defer to rich for that cal collision. -- calculation. >> rich [speaker not understood] land dedication staff. [speaker not understood] the developers elected to do the on-site affordable option. because of the submittal of his application date for his original project, he is only required to provide 12% on-site affordable. so, that's about 14 dwelling units. and it's based on the number of dwelling units provided within a project. >> so, i know the policies are sort of being written right now around land dedication. i'm excited to see this is the first project. so, how is it decided on the land dedication, the site that's chosen, x footage or x value? what kind of conceptual consider