A portion of the 7200 is invested at 4% annual return, while the remainder is invested at a 5% annual return. If the annual income from both portion is the same, what is the total income from the two investments?

প্রশ্নঃ A portion of the 7200 is invested at 4% annual return, while the remainder is invested at a 5% annual return. If the annual income from both portion is the same, what is the total income from the two investments?