Which (if any) of the following scenarios is the result of a natural monopoly? instructions: you may select more than one answer. a. patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next. b. doctors in the united states are prohibited from practicing without a medical license. c. there is one train operator with service from baltimore to philadelphia. d. coal is used as the primary energy in a country with abundant coal deposits.

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: