Please answer question below.

The annual financial statements of Valley Vineyards, Inc. include the following footnote: Note 4. Property and Equipment Dec. 31, Year 2 Dec. 31, Year 1 Construction in progress $449,409 $482,284 Land 8,063,716 5,089,472 Winery buildings and hospitality center 14,458,309 13,756,320 Equipment 10,122,593 9,055,987 33,094,027 28,384,063 Less accumulated depreciation (12,897,082) (11,654,901) $20, 196,945 $16,729,162 Depreciation expense $1,254,455 $1, 194, 191 The average useful life of Valley's depreciable assets at the end of its year is: Select one: O a. 26.4 years O b. 20 years O c. 16.1 years O d. None of these are correct. O e. 18.9 years