I need step by step solution

Use AstroTurf Company's income statement below to answer the following questions. Operating costs (excl. depreciations & amortization): $4.5m Depreciation and amortization: $1.5m Interest: $0.7m Net Income: $2.8m Tax Rate: 35% 1. Calculate AstroTurfs EBITDA.

2 What level of sales would generate a net income of $4.2m for the following year, knowing that operating costs (excl. depreciation and amortization) will increase by 7.5%, and given a 35% tax rate.