Mother Nature Tlaloc Bob Value of sales ($) 3250 8400 20450 Dirt ($) 0 3250 0 Bricks ($) 0 0 8400 Wages ($) 1000 3700 10000 Interest payments ($) 1000 600 900 Rent ($) 1000 450 500 Profits ($) 250 400 650 Total expenditure ($) 3250 8400 20450 Mother Nature produces dirt, Tlaloc turns the dirt into brick, and Bob creates brick houses. The economy is characterized by the table. Note all figures are measured in dollars. What is the value added for Mother Nature?