How many potential extracts are needed to upgrade legendary beast potential?

Potential	Cost	Total Cost	Cost	Total Cost
Potential 1-9	20	180
10	20	200	35	35
Potential 11-19	20	380
20	20	400	35	70
Potential 21-29	20	580
30	20	600	35	105
Potential 31-49	20	980
50	20	1,000	100	205
Potential 51-79	25	1,725
80	25	1,750	90	295
Potential 81-99	25	2,225
100	30	2,255	60	355
Potential 101-149	30	3,725
150	30	3,755	150	505
Potential 151-199	30	5,225
200	30	5,255	150	655
Potential 201-249	40	7,215
250	40	7,255	105	760
Potential 251-299	40	9,215
300	40	9,255	200	960
Potential 301-500	55	20,255

How many potential extracts are needed to upgrade elite beast potential?

Potential	Cost	Total Cost	Cost	Total Cost
Potential 1-9	12	108
10	12	120	14	14
Potential 11-19	12	228
20	12	240	14	28
Potential 21-29	12	348
30	12	360	14	42
Potential 31-39	12	468
40	12	480	15	57
Potential 41-49	12	588
50	12	600	40	97
Potential 51-79	15	1,035
80	15	1,050	35	132
Potential 81-99	15	1,335
100	18	1,353	25	157
Potential 101-129	18	1,875
Potential 130-149	20	2,275
150	20	2,295	60	217
Potential 151-199	20	3,275
200	20	3,295	65	282
Potential 201-249	25	4,520
250	25	4,545	40	322
Potential 251-299	25	5,770
300	25	5,795	80	402
Potential 301-500	35	12,795