Amortized cost of mines

aka. how long time until it paid for itself with the additional production from lvl n to n+1

Using: upgrade_cost / (upgrade_production - current_production)

For avg temperature "20"

lvlmetalkrystaldeut
10 days, 1 hr, 50 min0 days, 1 hr, 44 min0 days, 6 hr, 14 min
20 days, 2 hr, 16 min0 days, 2 hr, 19 min0 days, 7 hr, 29 min
30 days, 2 hr, 51 min0 days, 3 hr, 4 min0 days, 8 hr, 52 min
40 days, 3 hr, 33 min0 days, 4 hr, 12 min0 days, 11 hr, 30 min
50 days, 4 hr, 28 min0 days, 5 hr, 35 min0 days, 14 hr, 35 min
60 days, 5 hr, 47 min0 days, 7 hr, 28 min0 days, 18 hr, 21 min
70 days, 7 hr, 21 min0 days, 10 hr, 28 min0 days, 23 hr, 43 min
80 days, 9 hr, 23 min0 days, 14 hr, 0 min1 days, 5 hr, 47 min
90 days, 12 hr, 15 min0 days, 19 hr, 31 min1 days, 15 hr, 13 min
100 days, 15 hr, 39 min1 days, 3 hr, 1 min2 days, 2 hr, 34 min
110 days, 20 hr, 27 min1 days, 12 hr, 59 min2 days, 16 hr, 32 min
121 days, 2 hr, 25 min2 days, 3 hr, 18 min3 days, 13 hr, 21 min
131 days, 10 hr, 28 min2 days, 23 hr, 23 min4 days, 13 hr, 19 min
141 days, 20 hr, 47 min4 days, 3 hr, 8 min6 days, 0 hr, 31 min
152 days, 10 hr, 48 min5 days, 18 hr, 34 min7 days, 19 hr, 7 min
163 days, 4 hr, 56 min8 days, 1 hr, 4 min10 days, 5 hr, 5 min
174 days, 4 hr, 37 min11 days, 6 hr, 8 min13 days, 9 hr, 58 min
185 days, 12 hr, 29 min15 days, 18 hr, 23 min17 days, 16 hr, 40 min
197 days, 6 hr, 3 min22 days, 3 hr, 27 min23 days, 2 hr, 12 min
209 days, 13 hr, 10 min31 days, 0 hr, 56 min30 days, 12 hr, 26 min
2112 days, 13 hr, 47 min43 days, 15 hr, 20 min40 days, 6 hr, 38 min
2216 days, 14 hr, 44 min61 days, 14 hr, 9 min53 days, 0 hr, 25 min
2321 days, 22 hr, 53 min86 days, 15 hr, 4 min70 days, 5 hr, 5 min
2428 days, 23 hr, 53 min122 days, 4 hr, 30 min92 days, 18 hr, 44 min
2538 days, 10 hr, 11 min172 days, 10 hr, 47 min122 days, 15 hr, 1 min
2650 days, 20 hr, 23 min243 days, 13 hr, 33 min162 days, 16 hr, 49 min
2767 days, 10 hr, 39 min344 days, 17 hr, 42 min215 days, 5 hr, 0 min
2889 days, 10 hr, 10 min487 days, 21 hr, 25 min286 days, 8 hr, 47 min
29118 days, 20 hr, 51 min690 days, 21 hr, 14 min379 days, 8 hr, 59 min
30157 days, 20 hr, 11 min979 days, 9 hr, 57 min504 days, 9 hr, 29 min
31209 days, 20 hr, 26 min1388 days, 13 hr, 54 min671 days, 0 hr, 30 min
32279 days, 4 hr, 19 min1970 days, 11 hr, 27 min892 days, 14 hr, 2 min
33371 days, 13 hr, 23 min2797 days, 7 hr, 45 min1186 days, 20 hr, 8 min
34495 days, 0 hr, 26 min3975 days, 22 hr, 11 min1582 days, 10 hr, 51 min
35659 days, 17 hr, 32 min5651 days, 4 hr, 33 min2108 days, 2 hr, 29 min
36879 days, 12 hr, 35 min8037 days, 5 hr, 57 min2812 days, 7 hr, 48 min
371173 days, 7 hr, 38 min11435 days, 6 hr, 34 min3748 days, 5 hr, 20 min
381566 days, 3 hr, 18 min16276 days, 5 hr, 15 min5006 days, 11 hr, 44 min
392090 days, 14 hr, 33 min23184 days, 15 hr, 50 min6682 days, 22 hr, 39 min
402793 days, 4 hr, 17 min33038 days, 3 hr, 23 min8925 days, 6 hr, 21 min