as part of his USA first policy, President Trump has imposed a tariff on pf tyres imported from China

1. show on a demand and supply diagram and explain the impact of the tariff on (i) the quantity of tyres produced and demanded in the US, and (ii) economic surplus in the US. Clearly identify the winners and losers
2. are the policies (tariff) efficient and fair? apply the fair results and fair rules notions of fairness in your discussion.