Explain how one firm can contribute to the primary, secondary and tertiary sectors within the same supply chain in warburtons

Which of these is an example of innovation?

In the market for lock washers, a perfectly competitive market, the current equilibrium price is $5 per box. washer king, one of the many producers of washers, has a daily short-run total cost given by tc = 190 + 0.20q + 0.0025q2, where q measures boxes of washers. washer king's corresponding marginal cost is mc = 0.20 + 0.005q. how many boxes of washers should washer king produce per day to maximize profit?

To use google as main search engine, which internet browser can i use