Questions

How much does Haroon spend on coffee, lunch, dinner, vending machines, and cash purchases on an annual basis?

If Haroon reduced his annual expenses by $25$ percent, how much money would he have after $10$ years if he invested this money at $7$ percent compounded annually? How much would he have after $20$ years?

Provide three suggestions that Haroon could implement now that would help him reduce his expenses.