What is a "sustainable strategy"? a strategy that emphasizes green technologies, corporate social responsibility, and ethics a strategy that focuses on continuous cost reduction and efficiency improvement a strategy that is difficult for other frms to imitate O a strategy that uses the Balanced Scorecard to facilitate successful strategy implementation O a strategy that sustains the Five Forces of the competitive landscape in the long run AB Company has two customers, A and B. Each customer buys 100 units per month at a price of $10 per unit. The variable costs are $4 per unit. The company uses an activity-based costing (ABC) system with 3 pools to allocate capacity costs among customers. Activity Customer A Customer B Processing of orders 6 orders 12 orders Activity rate $5 per order $10 per call $1.50 per unit Technical support 4.calls 20 calls Product handling 100 units 100 units Compute the profit margin for customer A. O $220 O $1,000 $380 O $780 O not enough information - need to know customer-level contribution margin