I think $450 is definitely do-able by end of Nov'2015. $550 by end of Dec'2015. $650 by end of Jan'2016. $1000 by end of Feb'2016. $2500 by end of March'2016. $5000 by end of April'2016. $2500 by end of May'2016. $1000 by end of June'2016. $500 by end of July'2016.