Zero Corp. is an investment company authorized to issue only common stock. During the last half of 2010, Edwards owned 240 of the 1,000 outstanding shares of stock in Zero. Another 560 shares of stock outstanding were owned, twenty shares each, by twenty-eight shareholders who are neither related to each other nor to Edwards. Zero could be a personal holding company if the remaining 200 shares of common stock were owned by

a. An estate where Edwards is the beneficiary.

b. Edwards’ brother-in-law.

c. A partnership where Edwards is not a partner.

d. Edwards’ cousin.