1 It then divides that by the retail price. 2  For example, if you sell a product for $25, and it costs $20 to make, the gross profit margin is 20% ($5 divided by $25). 3  Net Profit Margin: This is often the equation used to determine an entire organizationâs profit margin.
Avoca, IA (Iowa) Houses and Residents. Total population: 1,506 (Urban population: 0, Rural population: 1,623 (6 farm, 1,617 nonfarm)) Houses: 710 (665 occupied: 454 owner occupied, 162 renter occupied) Housing density: 366 houses/condos per square mile.
Avoca was founded in 1869 in connection with the construction of the Chicago, Rock Island and Pacific Railroad through the area. It is named after Avoca in Ireland. It quickly developed as a regional service center for the surrounding farms. Geography