Determining the mean value of owner’s investment over a specific period, usually a year, involves summing the stockholders’ equity at the beginning and end of the period and then dividing by two. For example, if a company’s owner investment was $100,000 at the start of the year and $120,000 at year-end, the mean investment is calculated as ($100,000 + $120,000) / 2 = $110,000.
This figure provides a more representative view of owner investment throughout the year than either the beginning or ending balance alone. It is particularly useful when evaluating a company’s financial performance over time, providing a consistent base for ratio analysis and performance comparisons. The calculated value aids in assessing a company’s solvency, efficiency, and return on equity, which in turn helps stakeholders make informed decisions.