In chicago's southside (and other places), auto mechanics (who work outside the formal sector, without a business license, advertising, or even a garage) will do work for gang members without charging them. in exchange, gang members chase away other mechanics who wish to operate in the area. these auto mechanics have monopoly power; what type of source does it come from? economies of scale hard to duplicate inputs innovation barriers to entry

The blumer company entered into the following transactions during 2012: 1. the company was started with $22,000 of common stock issued to investors for cash. 2. on july 1, the company purchased land that cost $15,500 cash. 3. there were $700 of supplies purchased on account. 4. sales on account amounted to $9,500. 5. cash collections of receivables were $5,500. 6. on october 1, 2012, the company paid $3,600 in advance for a 12-month insurance policy that became effective on october 1. 7. supplies on hand as of december 31, 2010 amounted to $225. the amount of cash flow from investing activities would be: