Sept 10, 17, 24 Oct 1, 8, 15, 22, 29 Nov 5, 12, 19, 26  Dec 3, 10, 17 
15 x $90= $1350 (+$40.50 processing fee) total: $1390.50
15 x $80= $1200 (+$36 processing fee) total: $1236