The number of units produced each year in a factory is described by the following simple quantity indexes. Year 1 2 3 4 5 6 7 8 Index 1 100 138 162 196 220 Index 2 100 125 140 165 If the factory made 5819 units in Year 3, how many did it make in Year 7? Note: Your answer should be an integer number (no decimals)