Carl has limited amount of money. he must decide whether to spend some money to go out to dinner with friends or save it by staying at home. what is this an example of ?

a. opportunity cost
b. variable rates
c. taxation benefits
d. recession mentality

1. the fifteenth amendment guaranteed for all us citizens, regardless of "previous condition of servitude." freedom citizenship voting rights religious tolerance 2. which group was still not allowed to vote following passage of this amendment? women poor men rich men former slaves 3. the fifteenth amendment was the last of the amendments. carpetbagger lincoln reconstruction scalawag