Suppose T-Call offers an international calling plan that charges $7.00 per month plus $0.30 per minute for calls outside the United States. Under this plan, what is your monthly international long-distance cost if you call Europe for 1. a. 10 minutes? b. 20 minutes? c. 40 minutes? 2. Fill in the graph illustrating your total cost under this plan. Show your costs at 10, 20, and 40 minutes. Requirement 1a. Under this plan, what is your monthly international long-distance cost if you call Europe 10 minutes? If your calls to Europe amounted to 10 minutes, your monthly international long-distance cost would be