Xian manages security at a local casino and has an annual salary of $72,000. Xian has a disability policy that will pay 60% of her income if she becomes totally disabled and unable to work. The policy also carries a standard residual disability clause. Xian sustains an injury and after 8 months of total disability, Xian's physician allows her to return to work 3 days a week, equivalent to 60%. How much would Xian receive in disability benefits a month under her disability policy?

a. $0

b. $1,440

c. $2,400

d. $5,040