3. Which type of bank card immediately deducts payment for purchases from the cardholder's
2 answers:
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Answer:
third
Explanation:
The utility for consuming the first donut is 9 utils.
The utility for consuming the second donut is the difference from the total utility for the first two and just the first donut.
The utility for consuming the third donut is the difference from the total utility for the first three and just the first two donuts.
The utility for consuming the fourth donut is the difference from the total utility for the first four and just the first three donuts.
Since the utility for the 4th donut is less than the utility for the 3rd donut, utility begins to diminish after consuming the third donut.
Answer:
- 3.21%
Explanation:
In this question, we use the PV formula which is shown in the spreadsheet.
The NPER represents the time period.
Given that,
Future value = $1,000
PMT = 1,000 × 5% = 50
NPER = 34 years - 1 year = 33 year
Rate of interest = 9%
The formula is shown below:
= -PV(Rate;NPER;PMT;FV;type)
So, after solving this, the present value would be $581.42
Now the return would be
= Sale price + interest - purchase price
= $581.42 + $50 - $652.39
= -$20.97
And, the total return would be
= Return ÷ purchase price
= -$20.97 ÷ $652.39
= - 3.21%
