The parallel line will have the same slope which is 5. The perpendicular line will have a slope of which is the negative reciprocal. To assist you in seeing this relationship, look at 5 as the fraction . Its negative reciprocal would then be .
The Source. Cost of incarceration in the U.S. more than $1 trillion. The cost of incarceration in the United States exceeds $1 trillion, or six percent of gross domestic product, and dwarfs the amount spent on corrections alone, finds a new study from Washington University in St. Louis.
THE PRICE OF JAILS: MEASURING THE TAPAYER COST OF LOCAL INCARCERATION VERA INSTITUTE OF JUSTICE 55. But as high as $22.2 billion sounds, it actually underestimates the price of jails, because other government agencies bear a large share of jail costs that are not. reflected in jail budgets.