There are currently 411 dairy cows at Dancing Dairy Farm. Due to some considerations, the number of dairy cows is decreasing at the rate of 17 cows per year. Currently, each cow produces an average of 1158 gallons of milk per year, and production of milk is increasing at the rate of 43 gallons per cow per year. Use the product rule to determine the rate at which milk production at Dancing Dairy Farm is currently changing.
a) Production of milk at Dancing Dairy Farm is decreasing at the rate of 2,013 gallons per year.
b) Production of milk at Dancing Dairy Farm is increasing at the rate of 731 gallons per year.
c) Production of milk at Dancing Dairy Farm is decreasing at the rate of 731 gallons per year.
d) Production of milk at Dancing Dairy Farm is increasing at the rate of 2,013 gallons per year.