Town Centre

As seen below the first column is the level of town centre and in the second column is the time needed to upgrade it to each level in minutes.

Town Centre

LEVEL Town Centre	Time to build (min)
1	59
2	99
3	143
4	190
5	243
6	301
7	365
8	435
9	512
10	597
11	691
12	793
13	906
14	1030
15	1167
16	1318
17	1483
18	1665
19	1865
20	2085

The first column is the level of town centre and in the second column is the materials needed to upgrade it to each level.

LEVEL Town Centre	Materials needed for the upgrade
1	100
2	150
3	250
4	300
5	400
6	450
7	550
8	650
9	750
10	900
11	1050
12	1200
13	1400
14	1550
15	1750
16	2000
17	2250
18	2500
19	2800
20	3150