A cable company must provide service for 6 houses in a particular neighborhood.They would like to wire the neighborhood in a way to minimize the wiring costs (or distance) .What is the minimal length of the network required to span the entire neighborhood? 
Definitions:
Prices of Related Goods
Refers to how the cost of one good or service can affect the demand for another, reflecting the substitution or complementary relationship between them.
Changes in Supply
These refer to shifts in the quantity of a good or service that producers are willing and able to sell at various prices, caused by factors other than the price of the good or service.
Inferior Goods
Goods for which demands decrease when people’s incomes rise.
Increase in Demand
A situation where there is a rise in consumer desire to purchase goods and services, often leading to higher prices and greater sales volumes.
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