Richard,
My bid as follows, Deck strip/clean/seal @$1.65 sq. ft.=$1412.40,30% discount over 800 sq. ft.=$988.40.
flatwork @$.25 sq. ft.=$625.00,20% discount over 2000 sq. ft.=$500.00., brick acid/clean @$.25 sq.ft.=$200.00.
Total bid before discount $2237.40,Bid after discount...