Two Egg Sale Formulas:

CHAmod * [(80-CR)/5]^2 * 10

CR	Sale Price (CHAmod *)
0	2560
5	2250
10	1960
15	1690
20	1440
25	1210
30	1000
35	810
40	640
45	490
50	360
55	250
60	160
65	90
70	40
75	10

CHAmod * (EXPrate / 5) ^ 2 * 10

EXPrate	Sale Price (CHAmod *)
5	10
10	40
15	90
20	160
25	250
30	360
35	490
40	640
45	810
50	1000
55	1210
60	1440
65	1690
70	1960
75	2250
80	2560
85	2890
90	3240
95	3610
100	4000