Find the answer for 2017 Annual Income under Summary of Key Results using the Constants. Include the formula format.

SUMMARY OF KEY RESULTS Year Annual Income Enough Income to Hire Manager? Income Over Expected Annuity Earnings? PHILLY LANDSCAPING CONSTANTS Prices Rough Yard Work per Square Foot Gutter Cleaning per Linear Foot Power Washing per Square Foot Lawn Mowing and Edging per Square Foot Driveway Seal Coating per Square Foot Fall Leaf Clearing per Square Foot Snow Removal per Square Foot Costs Average Cost of Labor and Materials Customer Base Customers Average Lawn Surface (Sq Ft) Average Power Washing Surface (Sq Ft) Average Gutter Length (Linear Ft) Average Snow Removal Surface (Sq Ft) Average Driveway Seal Coating Surface (Sq Ft) Average Fall Leaf Clearing Surface (Sq Ft) Economic and Environmental Factors Tax Rate 555 $ $ $ S NA NA 2017 2017 0.003 0.075 0.050 0.001 0.100 0.003 0.025 0.30 850 43,560 5,000 150 2,500 2,500 43,560 25% 2018 2019