Concept:Income from sales is calculated as total quantity sold multiplied by the selling price per unit.Explanation:The farmer collects 100 trays of eggs each day.One week contains 7 days, so the total number of trays collected in one week is:7×100=700 trays.The market price of one tray of eggs is #900.Therefore, the total income from selling all the trays in one week is:700×#900=#630,000.This is the amount realized from the sale of eggs for the whole week.Answer:The income realized in one week is #630,000, which is Option A.