Arnold was employed by his father - his duties included rent collecting.
The CPI includes rent and regular maintenance but does not include all housing costs.
In Neoclassical economics profit is total investment performance and includes economic rent.
Those included rent of $600 a month and day care for their daughter, Danielle, now 3, which grew to nearly $800 a month after the separation.
Factor payments include rent, wage, interest and profit.
That includes rent, salaries, telephones, lawyers' fees, office equipment and travel.
"The lease also includes free rent for the first year and a $35-a-square-foot landlord contribution for renovation work."
That is because the buyers can include rent in their income statements.
Benefits include lower rent, a community atmosphere, and the ability to make decisions in a democratic manner about how the houses are operated.
Housing costs, as defined by the census, include rent, mortgage, taxes and utilities.