Juniper Corporation makes three models of insulated thermos. Juniper has $305,000 in total revenue and total variable costs of $201,300. Its sales mix is given below: Required: 1. Calcuiate the (overall) weighted-average contribution margin ratio. 2. Determine the total sales revenue Juniper needs to break even if fixed costs are $60,690. 3. Determine the total sales revenue needed to generate a profit of $80,580. Assume fixed costs are 60.690. 4. Determine the soles revenue from each product needed to generate a profit of 580,580 . Assume fixed costs are 60,690 .