⌛Time

$$Tier~up_{time}=t_e~*~tier_{t}$$

$$t_e=7~days$$

tier_t

Tier	C->R	R->E	E->U	U->L
tier_t	1.2500	2.1875	5.4688	19.1406

Building owners can use time coupons to reduce the time it takes to tier up their building NFTs.

Tier Up Time (d)

Tier	C->R	R->E	E->U	U->L
tier_t	8.75	15.3125	38.28125	133.98438

The value of t_e may be adjusted by governance.

Note: Please note that all figures are subject to change by governance.