Use the following data (in millions) for Oracle Corporation (ORCL), for a recent year to answer the questions below:

Retained earnings, beginning of year..................$25,503

Retained earnings, end of year...........................26,503

Net cash flows from operating activities................14,336

Net increase in cash..........................................3,947

Net cash flows from financing activates..................8,658

a. Determine the amount of earnings retained in Oracle for the year, assuming no dividends were paid during the year.

b. Determine the net cash flows used for investing activities for the year.