the case for the 50% discount, the staff believes that midpin housing and its affiliates are entitleda 50% discount because it will facilitate the expanded affordable housing program. we'll go over this consistent with the san francisco public utility commission's 2011 community benefits policy that seeks to better serve and foster partnerships with the communities and all of its service areas and to ensure that these public benefits are shared across all communities. and in addition the co-tenants are controlled by midpin housing and all of the entities are non-profit organizations with a charitable purpose. and midpin's affordable housing programs are considered an important community benefit to mountain view and other p.u.c. service areas. and, finally, i want to make a comment about the long-term of the lease. typically the p.u.c. disfavors leases of this length. because of the potential cost to the p.u.c. of disrupting a tenant's use of the p.u.c.'s property in the event of a pipeline emergency repair or a pipeline improvement project. but p.u.c. is willing to enter into a longer