(Please show work)

Catherine has just been diagnosed with severe liver disease and will be out of work for eight months. Catherine has a long-term disability policy that will pay her 70% of her currently monthly salary of $3,500. The premium of the policy is $120 per month and half is paid by Catherine and the balance is paid by her employer. The elimination period is 60 days. Assuming that Catherine is out of work on disability for the full eight months, how much of her total benefits are taxable? a. 0. b. $7,350. c. $9,800. d. $14,700.