Assess and Financial analysis NPV/IRR using the data below

the data below is from the office building located in Brisbane city. The building has 22 tenants currently.

Net cashflow After Finance	$ -52,900,000.00	$ -1,223,244.60	$ -1,194,783.36	$ -1,086,462.12	$ -1,075,102.76	$ -912,570.65	$ -53,006,550.07	$ 10,257,321.10
Discount factor	1	0.9433962264	0.88999644	0.839619283	0.7920936632	0.7472581729	0.7049605404	0.6650571136
PV of net cash flow	$ -52,900,000.00	$ -1,154,004.34	$ -1,063,352.93	$ -912,214.55	$ -851,582.08	$ -681,925.88	$ -37,367,526.18	$ 6,821,704.37
NPV	$ -88,108,901.60	-	-	-	-	-	-	-
Less purchase costs	$ -1,980,943.05	-	-	-	-	-	-	-
IRR	-80.73%	-	-	-	-	-	-	-