B. Serena should focus on a certain amount and track her spending
The definition for interest in terms of finance is interest is the cost of borrowing. Therefore the correct option is (B).
<h3>What is Finance?</h3>
Finance refers to the money or the funds required by the company to undertake the business projects. Here, finance is the separate field of the study taught to the management students.
Interest refers to the amount charged to the borrower to the lender on the loan facility provided to them. Every lender charges the rate of the interest according to his will.
Bank also charge the rate of the interest on the loan provided to the customer. Therefore the correct option is (B).
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A. True. i believe the answer is A
