Answer: 21%
Explanation: The developer purchased 3 properties and he can buy each property for $20 per square foot.
Therefore: 75 × 110 =8250 square feet.
8250 × $20 = $165 000 per lot.
Each lot was sold for $200 000. Which means the developer made profits of:
$200 000 - $165 000 = $35 000 per lot.
The percentage of profit on each lot is:
Percentage of profit on cost amount:
=
= 0.2121212 recurring × 100
= 21,21%
Percentage of profit on sale amount:
=
= 0.175 × 100
= 17,5%
Answer:
4.86%
Explanation:
Given that,
First-class postage for a 1-ounce envelope = 4 cents
On August 1, 2007
A first-class stamp for the same envelope cost = 41 cents
Period, n = 49 years
i = 1.0486 - 1
= 0.0486 or 4.86%
Therefore, the interest rate is 4.86%.