Why do Keynesians believe that budget deficits will increase aggregate demand? Check all that apply.

When the increased budget deficit is due to reduced taxes, if personal income taxes are lowered, aggregate demand will increase due to increased business investment.
Increased budget deficits due to increased government spending will directly increase aggregate demand.
Decreased budget deficits due to increased government spending will directly increase aggregate demand.
When the increased budget deficit is due to reduced taxes, aggregate demand will increase due to increased business investment, if business taxes are lowered.

In 2018, laureen is currently single. she paid $2,800 of qualified tuition and related expenses for each of her twin daughters sheri and meri to attend state university as freshmen ($2,800 each for a total of $5,600). sheri and meri qualify as laureen’s dependents. laureen also paid $1,900 for her son ryan’s (also laureen’s dependent) tuition and related expenses to attend his junior year at state university. finally, laureen paid $1,200 for herself to attend seminars at a community college to her improve her job skills. what is the maximum amount of education credits laureen can claim for these expenditures in each of the following alternative scenarios? a. laureen's agi is $45,000.b. laureen’s agi is $95,000.c. laureen’s agi is $45,000 and laureen paid $12,000 (not $1,900) for ryan to attend graduate school (i. e, his fifth year, not his junior year).