On 29 March 2021, Justin deposited R3 500 into a savings account. The simple interest rate agreed upon was 7,5% per year. The accumulated amount in the savings account on 10 October 2021 is
[1] R3 640,24.
[2] R3 643,09.
[3] R3 637,88.
[4] R3 649,06.
[5] none of the above
total days
total accumulated amount
hence [A] is the right answer
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