Additional Financial Reporting Issues 485 General price indexes for Year 1 are as follows: 1/1/Y1 100 120 150 12/31Y1. . Required: a. Calculate Doner Company's Year 1 purchasing power gain or loss on net monetary items. b. Determine Doner Company's Year 1 income on a general purchasing power basis (ignore income taxes). 4. Petrodat Company provides data processing services for companies operat- other in Venezuela-by ing in the petroleum extraction business. On January 1, Year 1, Petrodat estab- lished two foreign subsidiaries-one in Mexico and the investing $100,000 worth of data processing equipment in each. The opening balance sheets for the two subsidiaries in local currency appear as follows: Mexico Venezuela (pesos) 1,000,000 150,000,000 (bolivars)