You are working on a project to set up a call center for your client. The duration of the project is two years. One year has passed, however, only 40% of the work has been completed against the schedule, which says that by now 50% of the work should have been completed. To date, you have spent 60% of the budget. What is the cost performance index of the project?

(a) 1.25

(b) 1.5

(c) 0.8

(d) 0.67