The three problems facing a government trying to determine the optimal quantity of a public good include all of the following EXCEPT: a. preference revelation because individuals may not tell the government their true valuation of the public good. b. preference knowledge because individuals may not know their true valuation of the public good. c. preference implementation because it is hard to produce public goods in practice. d. preference aggregation because it is difficult to add up the preferences of millions of citizens

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: