please show FULL sequence of calculations and please high light the results

Alfa Ltd are manufacturing and selling product "A" and product "B". Both products are manufacturing in one plant in Riga. During the year 20X7 Alfa Ltd projects to sell the following quantity of each product: Problem is that each of these two products as sold on a seasonal pattern. Alfa Ltd plans to sell product A all year at a price 10 epsilon/unit to sell product B all year at a price 20 epsilon/unit. You did research on past selling experience and results. That shows that Alfa Ltd has lost in average 3% of its billed revenues each year. That happens because of returns allowances (2% of loss of revenue) and bad debts (1% loss). Your task: prepare sales budget taking into account the information given above