Suppose that investment demand increases by $300 billion in a closed and private economy (no government or foreign trade). Assume further that households have a marginal propensity to consume of 80 percent. Ultimately, how much will aggregate demand increase? Enter your answer in billions. For example if your answer is $600 billion then enter 600. If your answer is $1,500 then enter 1500.

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: