PLS SHOW ALL WORKING? HURRY?

Kenora Industries is analyzing a new project. They have gathered the following data: Initial requirement for equipment: $140,000 Depreciation: Straight-line to zero over the four-year life of the project with no salvage value. Required rate of return: 15% Marginal tax rate: 35% What is the operating cash flow under the base-case scenario? $31,300 $33,975 $29,675 $71677