The phone bill for Company XYZ consists of two components. A fixed monthly subscription fee of $800 and a constant calling rate of $0.5 per minute. Assume that during February Company XYZ has a total call time of 10,800 minutes how much was the total phone bill ($) for the month of February? a. None of the given answers b. 4,500 c. 6,200 O d. 5,700 e. 4,900