Question 9 of 10 A collection agent earns a fixed amount for each call that he makes, as shown in the graph below. Amount earned (dollars) 5.4 4.5 3.6+ 2.7 1.8 0.9 1 2 0 3 4 5 Number of calls made 6 If the collection agent makes 11 calls, how much will he earn in total? A. $1.10 B. $5.40 C. $9.90 D. $0.90​