MNO Investments made the following investments in the year 2023:

Investment A: Initial Investment: $50,000; Annual Return: $5,000

Investment B: Initial Investment: $100,000; Annual Return: $15,000

Investment C: Initial Investment: $200,000; Annual Return: $30,000

Requirements:

Calculate the ROI for each investment.

Determine the overall ROI for the entire portfolio.

Assess the performance of each investment.

Compare the ROI to the industry average of 8%.

Provide recommendations for optimizing the investment portfolio.