The following consolidated income statements and balance sheets are available for Azure Inc.:
Azure Inc.
Consolidated Income Statements

Azure Inc.
Consolidated Balance Sheets

Required:
1. Explain why income from operations decreased in 2018 and 2019 while sales increased.
2. Determine whether the proportion of resources invested in the various asset categories changed from 2017 to 2019.
3. Determine whether the proportion of capital supplied by creditors changed.
4. Indicate from what sources Azure secured the capital to finance its increase in current assets in 2019.