Morris Kline book error?

King

Hi,

I was just reading a passage from a book by Morris Kline and he states the following:



For the first job, I calculated the following:
900 900 1100 1100 1300 1300 1500 1500
Have I misunderstood him, or is this an error on his behalf?

King

Ignore thread. I overlooked the $1800 per year part.