Forecast sales volume and sales budget

For $20$Y$8,$ Raphael Frame Company prepared the sales budget that follows.

At the end of December $20$Y$8,$ the following unit sales data were reported for the year:

For the year ending December $31,20$Y$9,$ unit sales are expected to follow the patterns established during the year ending December $31,20Y8.$ The unit selling price for the $8^{\text{'}\text{'}}{10}^{?}$ frame is expected to increase to $$17$ and the unit selling price for the ${12}^{\text{'}\text{'}}{16}^{\text{'}\text{'}}$ frame is expected to increase to $$32,$ effective January $1,20$ Y$9.$