Based on the information provided, the total value of the contract can be estimated by calculating the total monthly charges for both Zone 10 and Zone 43. The total monthly charges for Zone 10 are $2,650.00 (Tapia Landscaping), $2,150.00 (Inland Empire Landscape, Inc.), $3,650.00 (Softscapes Corporation), and $7,174.00 (J. Orozco Enterprises, Inc.). The total monthly charges for Zone 43 are $5,000.00 (Tapia Landscaping), $4,670.00 (Inland Empire Landscape, Inc.), $6,290.00 (Softscapes Corporation), and $11,199.00 (J. Orozco Enterprises, Inc.). The lowest responsive and responsible bidder, Inland Empire Landscape, Inc., has a total monthly charge of $2,150.00 for Zone 10 and $4,670.00 for Zone 43. Assuming a 12-month contract period, the total contract value can be estimated to be around $81,840.00 ($2,150.00 + $4,670.00) * 12.