ROK - Crystal Mine Building

	A	B	C	D	E	F	G	H
1			Crystal Mine Building
2
3	Level	Crystal required	Building time	crystal per hour	crystal per day	additional crystal gain per hour	additional crystal gain per day	How many days it take to recover the crystal cost
4	19	180,000	6d 10h	3750	90000	550	13200	13.63636364
5	20	210,000	8d	4300	103200	550	13200	15.90909091
6	21	250,000	9d 15h	5000	120000	700	16800	14.88095238
7	22	300,000	12d 5h	5750	138000	750	18000	16.66666667
8	23	350,000	13d 11h	6500	156000	750	18000	19.44444444
9	24	400,000		7250	174000	750	18000	22.22222222
10	25	450,000		8000	192000	750	18000	25
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15	F2P players will need to wait at least 10 days to get enough crystal to max crystal mine
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17	if you max your crystal mine on day 10th in kvk, you can get:
18	192,000 * 40days - total cost =		5,540,000
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20	If you get your crystal mine to level 21 on day 10th in kvk you can get
21	120,000 * 40days - total cost =		4,160,000			1,380,000	less crystall. That is about 3-4 big researches you will miss but you save lots of building speed up for future kvk
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23	If you get your crystal mine to level 22 on day 10th in kvk you can get
24	138,000 * 40days - total cost =		4,580,000			960,000	less crystal
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26	If you get your crystal mine to level 23 on day 10th in kvk you can get
27	156,000 * 40days - total cost =		4,950,000			590,000	less crystal
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29	If you get your crystal mine to level 24 on day 10th in kvk you can get
30	174,000 * 40days - total cost =		5,270,000			270,000	less crystal
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