The marginal cost of manufacturing x yards of a certain fabric is 
in dollars per yard.Find the increase in cost if the production level is raised from 
yards to 
yards.
Definitions:
National Origins Act
A United States federal law enacted in 1924 that limited the number of immigrants who could be admitted from any country based on the number of people from that country who were already living in the U.S.
Immigration Quotas
Limits set by a country on the number or nationality of immigrants allowed to enter each year.
1890 Census
The United States federal census conducted in 1890, which notably included the first use of Herman Hollerith's mechanical tabulating machines, marking a significant advancement in data processing.
1928 Presidential Election
A United States presidential election where Republican Herbert Hoover won against Democrat Al Smith, significantly impacted by debates over Prohibition, religion, and the economy.
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