Edexcel – higher
\[ \begin{aligned} &\text{Maria invests £2000 in a savings account for 4 years.} \\ &\text{The account pays compound interest at a rate of }\,(2.5\%)\,\text{ per year.} \\ &\\ &\text{Calculate how much Maria has in this savings account at the end of the 4 years.} \end{aligned} \]