==Units of measurement==If the local currency is dollars, for example, then the units of measurement of the variable "price" are "dollars per unit of the good" and the units of measurement of "quantity" are "units of the good per time (e.g., per week or per year).
If the local currency is dollars, for example, then the units of measurement of the variable «price» are «dollars per unit of the good» and the units of measurement of «quantity» are "units of the good per time (например, в месяц или в год).