Answer:
The total productivity in Units Sold and Dollars of Sales per Dollar Input is calculated below.
Units sold: 50,450 / ((640 * 7.10) + 29,850 + 15,200) = 1.01 units sold per dollar input.
Dollars of sales: (50,450*3.10) / ((640 * $7.10) + 29,850 + 15,200) = 3.15 dollars in sales per dollar input.