Moving along which curve does the money wage rate and the price level change in the same proportions?

Waybelow Normal University has found it necessary to institute a crime-control program on its campus to deal with the high costs of theft and vandalism. The university is now considering several alternative levels of crime control. This table shows the expected annual costs and benefits of these alternatives. Total Costs Per YearTotal Benefits Per Year (Reduction in the Costs of Crime)Level One - 1 Security Officer$20,000$80,000Level Two - 1 Security Officer with Guard Dog30,000120,000Level Three - 1 Security Officer with Guard Dog and Patrol Car40,000140,000Level Four - 2 Security Officers with Guard Dog50,000155,000Level Five - 2 Security Officers with Guard Dog and Patrol Car60,000160,000Refer to the above information. The marginal benefits of crime control for Level Two are:

A. $60,000. B. $20,000. C. $40,000. D. $140,000.

A system of private property rights

A. encourages investment but discourages entrepreneurial activity, so the effect on economic growth is uncertain. B. reduces the efficiency of government, which reduces the growth rate of the economy over time. C. discourages economic growth by discouraging the development of new ideas and ways of doing things. D. encourages economic growth by creating incentives to invest in capital and to be innovative.