Florence placed in service the following properties during 2018. Compute Florence's total depreciation expense for 2018 and 2019, assuming that she elects to expense 50 percent of the cost of qualifying property. She elects out of bonus depreciation. The machine, equipment, and furniture are 7 year property.

Machine $130,000 March 3, 2018

Equipment $110,000 June 8, 2018

Furniture 48,000 August 15, 2018

Office Building 200,000 October 4, 2018