Respuesta :
The projected sales ar 52,149 units of bikes for 2012. On hand at Jan 1, 2012 are 5002 units. So 52,149-5002= 47137+6831= 53,978 bikes to make in 2012 in other words, the net production to make the 52149 is 47137 plus the desired inventory at the end of 2012 totals the 53,978.