Building:Firework Test Area

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Description
The constant exercises with the fireworks don't only light up the skies, but sometimes also the surrounding buildings. Our researchers, though, can only optimize the demand for sulphur, when they test new mixtures again and again.

It will also affect the cost of all military units (except for Cooks, Doctors, Rams, Slingers and Spearmen) and navy ships (except for Ram Ships).
 * Every level of the Firework Test Area lowers demand for by 1% per expansion (only in the town it is built).
 * This building will affect the cost of to build the Palace and the Governor's Residence at higher levels.
 * This building will not affect donations to the Miracle on the island.

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Expansion Details
The time (in seconds) it takes to upgrade to the next level is determined by the following formula: $${ \text{Building time (seconds)} = \left \lbrack \cfrac{125,660}{37} \times 1.06^\text{Level} - 2,628\right \rbrack }$$

The accumulative time (in seconds) it takes to upgrade up to the next level is determined by the following formula: $${ \text{Accumulative building time (seconds)} = \left \lbrack \cfrac{6,659,980}{111} \times \left (\ 1.06^\text{Level} -\ 1\ \right ) - 2,628 \times \text{Level}\right \rbrack}$$

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Building:Firework Test Area/1-10|1-10 Building:Firework Test Area/11-20|11-20 Building:Firework Test Area/21-30|21-30 Building:Firework Test Area/31-32|31-32