Solution :
Depreciation rates 16.67% 16.67% 16.67% 16.67% 16.67% 16.67%
(books)
Depreciation $100000 $100000 $100000 $100000 $100000 $100000
(books)
Depreciation $35000 $35000 $35000 $35000 $35000 $35000
tax shield (books)
Depreciation rate 20% 32% 19.20% 11.50% 11.50% 5.80%
(tax)
Depreciation $120000 $192000 $115200 $69000 $69000 $34800
(tax)
Depreciation $42000 $67200 $40320 $24150 $24150 $12180
tax shield (tax)