China Group has a division with capital employed of £10 million that currently earns an ROI of 15% per annum. It can make an additional investment of £2 million for a five-year life with no scrap value. The average net profit from this investment would be £280,000 per annum after depreciation. The division’s cost of capital is 9%.

Calculate the ROI and residual income for the:

• original investment;

• additional investment; and

• total new level of investment.