Clifford Delivery Company purchased a new delivery truck for $72,000 on April 1, 2019. The truck is expected to have a service life of 10 years or 120,000 miles and a residual value of $3,000. The truck was driven 10,000 miles in 2019 and 20,000 miles in 2020. Clifford computes depreciation expense to the nearest whole month.

Required:

1. Compute depreciation expense for 2019 and 2020 using the following methods: (Round your answers to the nearest dollar.)
   1. Straight-line method

      2019	$ fill in the blank 1
      2020	$ fill in the blank 2

   2. Sum-of-the-years'-digits method

      2019	$ fill in the blank 3
      2020	$ fill in the blank 4

   3. Double-declining-balance method

      2019	$ fill in the blank 5
      2020	$ fill in the blank 6

   4. Activity method

      2019	$ fill in the blank 7
      2020	$ fill in the blank 8

2. For each method, what is the book value of the machine at the end of 2019? At the end of 2020? (Round your answers to the nearest dollar.)
   1. Straight-line method

      2019	$ fill in the blank 9
      2020	$ fill in the blank 10

   2. Sum-of-the-years'-digits method

      2019	$ fill in the blank 11
      2020	$ fill in the blank 12

   3. Double-declining-balance method

      2019	$ fill in the blank 13
      2020	$ fill in the blank 14

   4. Activity method

      2019	$ fill in the blank 15
      2020	$ fill in the blank 16