Juniper Corporation makes three models of insulated thermos. Juniper has $314,000 in total revenue and total variable costs of $160,140. Its sales mix is given below: Required: 1. Calculate the (overall) weighted-average contribution margin ratio. 2. Determine the total sales revenue Juniper needs to break even if fixed costs are $91,875. 3. Determine the total sales revenue needed to generate a profit of $113,680. Assume fixed costs are 91,875 . 4. Determine the sales revenue from each product needed to generate a profit of $113,680. Assume fixed costs are 91,875 . Complete this question by entering your answers in the tabs below. Calculate the (overall) weighted-average contribution margin ratio