One item is omitted in each of the following summaries of balance sheet and income statement data for three different sole corporations, X, Y, and Z. Determine the amounts of the missing items, identifying each corporation by letter. 
Definitions:
ADRs
American Depository Receipts (ADRs) are a type of negotiable security that represents shares in a foreign company and is traded on a local stock exchange but represents a specified number of shares in a foreign corporation.
Foreign Firms
Companies that are based in one country but operate and conduct business in other countries.
EAFE Index
An index that measures the stock market performance of developed markets outside of the United States and Canada.
Non-U.S. Stocks
Shares of companies based outside of the United States, often used to diversify investment portfolios.
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