Bonnie Jo purchased a used computer (5-yr property) for use in her sole proprietorship. The basis of the computer was $2,400. Bonnie Jo used the computer in her business 60% of the time and used it for personal purposes the rest of the time during the first year. Calculate Bonnie Jo's depreciation expense during the first year assuming the sole proprietorship had a loss during the year (Bonnie did not place the property in service in the last quarter)

A. 240

B. 288

C. 480

D. 2,400

E. None of these