Languages homework help

How to solve this? Step by step?Review Test Submission- Problem Set 6 – 2016 Spring Term….pdfSuppose that Grinch and Grubb go into the wine business in a small country where wine is difficult to grow. The demand for wine is given by p = $480 – .2Q, where p is the price and Q is the total quantity sold. The industry consists of just the two Cournot duopolists, Grinch and Grubb. Imports are prohibited. Grinch has constant marginal costs of $6 and Grubb has marginal costs of $45. How much Grinch’s output in equilibrium?