How each dollar spent by consumers throughout the economy ultimately comes back to people inrent as it relates to natural resources, interest as it relates to loanable funds, dividends as it relates to business investment, wages and salaries?

Define marginal propensity to consume (MPC) and the multiplier (M).

Month in which student poll was taken Average of students' responses as MPC March 0.41 June 0.30 September 0.22 December 0.56