A company wants to expand its plant. This expansion would have a cost of $13.3 million and it will be depreciated straight-line to zero in 6 years. If the plant has projected income of $1,630,000, $1,325,000, $1,540,000, $1,240,000, $1,035,000, and $1,180,000 over these 6 years respectively, whats its average accounting return?