Please help with showing the shift in the supply curve based on the situation

There is a cold freeze that kills all of the rose bushes right before Valentine's Day. Show what would happen to the supply of roses. Supply of Roses There is a newer faster printer that allows books to be produced at a much faster rate. Show what would happen to the supply of books. Supply of Books vlaquartertide Wheat farmers are expecting the price of wheat to go up in the future. Show what would happen to the supply of wheat today if they are expecting a greater price in the future. Supply of Wheat The government increases the excise tax on gasoline. Show what would happen to the supply of gas. Supply of Gas