An increase in spending of $25 billion increases real gdp from $600 billion to $700 billion. The marginal propensity to consume must be "4".
<h3>
What do you mean by Marginal Propensity to consume?</h3>
The marginal propensity to consume is refers to as the proportion of any change in income that is spent on consumption.
In economics, this term is used to refer to the measurement made in order to determine consumption when the rent is increased by one unit. This measurement is nothing more than a mathematical relationship to calculate how people invest in consumption or save the income that is increased.
Calculation:

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Answer: D. The investor has no tax liability on distributions received, and the investment company has no tax liability on retained income
Explanation:
Municipal Securities are exempt of Federal taxes and this is what makes them most attractive. An investor in a mutual fund which invests solely in municipal securities will therefore not have any tax liability because their returns would be based on securities that are federally tax exempt. The same goes for any income the Mutual fund intends to retain.
Answer:
The last option is the answer -$141.80
Explanation:
we will use the present value formula for Trish she gets paid every first day of the month therefore she will receive an immediate payment of cash flow which will be added to the present value of future periodic value. Therefore we will find the difference between present values for Trish and Josh which have the same amounts which they'll receive per month.
Given: Trish and josh both receive $450 per month therefore that will be C the monthly future payment that will be received.
They will receive these amounts in a course period of Four years so that will be n = 4 x12=48 because we know that they will receive these payments every month or on a monthly basis for four years. which n represent periodic payments.
i which is the discount rate of 9.5%/12 as we know they will recieve these amounts monthly.
Therefore using the following formulas for present value annuity:
Pv = C[(1-(1+i)^-n)/i] and Pv= C[(1-(1+i)^-n)/i](1+i) then get the difference between these two present values for Trish and Josh.
therefore we will substitute the above values on the above mentioned formula to get the difference:
Pv= 450[(1-(1+9.5%/12)^-48)/(9.5%/12)] - 450[(1-(1+9.5%/12)^-48)/(9.5%/12)](1+9.5%/12) then we compute and get
Pv= $17911.77614 - $18053.5777
Pv = -$141.80 is the difference between the two sets of present values as one has an immediate payment and one doesn't have it.
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