Answer:
First calculate depreciation
Operating cash flow = Net profit + Depreciation
=68000 = 33000+ Depreciation
Depreciation = 68000-33000
=35000$
Now let's calculate EBT
EBT = Revenue - cost - depreciation
= 146000-74000-35000
=37000$
Now , EBIT - Tax = Net Income
=37000 - Tax = 33000
Thus Tax = 4000
Tax rate = Tax amount/EBT
=4000/37000
=0.1081
i.e 10.81%
Explanation: