Accounting kills

Was it double-declining-balance depreciation that fried its head ? Sum-of-the-years'-digits ? My monotonous voice, the bad air ? A mortal case of deja-vu ?

After landing on my classroom floor this poor fellow let me take a picture of him at very short distance, which lead me to believe that we was doing the big sleep.

But maybe, it was just a small sleep and it dreamt of being a Chinese sage tackling intangible assets and goodwill.