Answer:
Excess loss business is a situation where deduction exceeds the total income, like given in the above situation.
As per IRS for 2019,
New limitation is $150,000 of the disallowed business loss would be carried forward to 2019 as an additional NOL .
Therefore,
1) Tim has excess business loss of $ 205000
($580000 - $ 225000- $150000)
2) Tim may use $150000 of the $355000.