What is the meaning of the phrase "cost-effective" in the first paragraph of this passage

a.) working hard for the money you earn

b.) saving your money for a future expense

c.) getting the most for the money you spend

d.) spending your money on something unnecessary

For frederick douglass’s address, “what to the slave is the fourth of july? ” (1852)1) does the speaker use fallacious reasoning or logical fallacies? use evidence from the text to support your answers. 2) how effective is the speaker’s response to counterclaims or alternate claims? use evidence from the text to support your answer