i need the answer in 15 minutes please

Suppose for a project the following estimates are given as: Investment cost Net annual benefits Salvage value Annual interest rate Study Period 1,000,000 TL (Deterministic value) 150,000 TL (Most likely estimate (probabilistic value) None 8% (Deterministic value) 10 years Investigate the present worth at most likely estimate, - 10% and + 10% changes in net annual benefits and determine the decision reversal point