Write a script that would help someone with financial budgeting. MUST use Matlab. MUST write at least 125 lines of code and write comments . (Comments don't count towards the 125 lines of code). Please show output and include any explanations.

It can be anything as long as finance is the topic. Budget plan for the next 20 years, or How a stock price moves over time, or retirement plan are some examples.

fill the script with lines of code using equations/ plots/ etc

how about using curve fitting methods to find a pattern in historical data and predict what will happen in the future like a stock price