TO PROVIDE LOW INCOME ELDERLY WITH HOUSING FACILITIES AND SERVICES SPECIFICALLY DESIGNED TO MEET THEIR PHYSICAL, SOCIAL, AND PSYCHOLOGICAL NEEDS, AND TO PROMOTE THEIR HEALTH, SECURITY, HAPPINESS, AND USEFULNESS IN LONGER LIVING, THE CHARGES FOR SUCH FACILITIES AND SERVICES TO BE PREDICATED UPON THE PROVISION, MAINTENANCE, AND OPERATION THEREOF ON A NON- PROFIT BASIS.