suppose that you are offered a job selling nature books from door to door, and that the company offers a choice of either R350 per week, or R200 per week plus 2% of the value of all sales, or R80 per week plus 4% of all sales. the choice is difficult decision since you are unsure as to the value of the sales made each week, calculate the best choice, if the value of the sales made each week is R8000.