- 5. Protection Inc. purchased a fireproof safe for $3,850. Delivery costs totaled $134. The salvage value is $924 after 7 years. Using the 125% declining-balance depreciation method, calculate the book value at the end of year 1. (Round the declining-balance rate to 4 decimal places, and all dollar amounts to the nearest cent.) (1 pt.) a. $1515.08 b. $3,272.46 c. $2,945.83 d. $2,285.70