Discounts given for prepaying 6 months or 1 year ahead.

Size	Monthly	6 Month Discounted Amount	1 Year Discounted Amount
5 x 5	$60	$330	$660
5 x 10 inside	$80	$440	$880
5 x 25 outside	$95	$522.50	$1045
10 x 10 inside	$105	$577.50	$1155
10 x 10 outside	$110	$605	$1210
10 x 15 outside	$125	$687.50	$1375
10 x 20 outside	$140	$770	$1540
10 x 25 outside	$155	$852.50	$1705
10 x 27 outside	$165	$907.50	$1815
10 x 30 outside	$190	$1045	$2090
12 x 27 outside	$195	$1072.50	$2145
12 x 22 x 23	$200	$1100	$2200