The new building is called the romantic cathedral. It costs $118,750,000 to purchase according to the tool kit. Its payout is $530,000 every 7 hour with out bonuses.
The LE building has been released!
Upgrade to level 2 costs $198,312,496 with a pay out of $1,060,000
Level 3 $332,500,000 payout $2,266,000
Level 4 $554,562,496 payout $3,498,000
Level 5 $950,000,000 payout $5,088,000
Level 6 $1,543,749,888 payout $6,996,000
NOTE: Levels 3-6 are inaccurate, if you get any info on the actual costs from levels 3-10, please post the info you have. The above are estimates.