[Solved] According to your text, what was an important influence on the early development of pornography? A) Invention of the printing press B) Development of reliable postal service C) Increase in the worldwide literacy rates D) Early production of photography and still movies Net Domestic Product: The total value of all goods and services produced within a country's borders in a given time period, after accounting for depreciation. Real GDP: Gross Domestic Product adjusted for inflation, providing a more accurate picture of an economy's size and how it's growing over time. National Income: The total income earned by a country's residents and businesses, including wages, rent, interest, and profits. Government Purchases: Expenditures made by local, state, or federal government sectors on goods and services that directly absorb resources.