The Country Fields Retirement Community charges $6,000/month for a single senior citizen to reside in an efficiency apartment with assisted living care. The efficiency apartment building within the Community has operating expenses of $600,000 per month. Staffing levels are dependent on the number of residents. Each senior who enters assisted living care requires additional food, personal care, and support staff time. The estimated cost for providing service to each person within the efficiency apartment building is $4,000 per person per month. a) Write out a mathematical expression for the Total Cost.b) Write out a mathematical expression for the Total Revenue.c) How many senior citizen residents of the efficiency apartments does the facility need to have in order to reach the breakeven point? d) What is the company’s annual profit or loss on the efficiency apartments if they maintain an average residency level of 350 senior citizens?