The difference between simple and compound interest is significant because the interest is higher when using compounding. Robert's investment amounted to $12,000 after 4 years while Rosie's investment after 4 years totaled to $13,117.55 with a difference of $1,117.55.
Thus, Rosie will have $1,117.55 more than Robert.
When you ask me about exchage rate I remember about Arabic coming to Africa for trading goods. So this tells me that the the value of one currence from deferent nations was converted to another. I hope you got it.
I would recommend it lower its price.
Explanation:
iWatch is not a product a lot of people wish for and it doesn't compliment the life of users enough to be expensive to buy. When it is expensive sales will reduce which would make sales revenue reduce but if the price is low a lot of people will patronize the product thus increase revenue.
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