Eastern Company was organized when it acquired \($1,000\) cash from the issue of common stock. During its first accounting period the company earned \($800\) of cash revenue and incurred \($500\) of cash ex¬ penses. Also, during the accounting period the company paid its owners a \($100\) cash dividend.

Required:

a. Determine the ending amount of the retained earnings account.

b. As of the end of the accounting period, determine what percentage of total assets was provided by earnings.