8. Refer to Table 8.3. Planned saving equals planned investment at an aggregate output level a. of $1,500 billion. b. of $1,200 billion. c. of $900 billion. d. that cannot be determined from this information. 9. Refer to Table 8.3. Planned investment equals actual investment at a. all income levels. b. all income levels above $1,200 billion. c. all income levels below $1,200 billion. d. $1,200 billion