Based only on revenue growth and gross margin trends for the last five years, identify the lifecycle stage of the following companies: Mark A=Stage 1; Mark B=Stage 2; Mark C=Stage 3; Mark D=Stage 4; Mark E=Stage 5
1. Amazon is in Stage ___ of the Business Lifecycle.
2. iRobot is in Stage ___ of the Business Lifecycle.
3. Apple is in Stage ___ of the Business Lifecycle.
4. Google is in Stage ___ of the Business Lifecycle.
5. Starbucks is in Stage ___ of the Business Lifecycle.