sales from P to S year$1$ of product A $1000$ @$18$$ cost to P $14$$ and S sold to external @$22$$ in y$1600$ and $300$ y$2$ sales from S to P year$1$ of product B $900$ @$17$$ cost to S $15$$ and P sold to external @$20$$ in y$1700$ and $150$ y$2$sales from P to S year$2$ product C $500$ @$20$$ cost to P $17$$ and S sold $150$ units to external @$25$$sales from S to P year$2$ product D $400$ @$18$$ cost to S $12$$ and P sold $150$ units to external @$20$$

find the following amounts for year $2$ :upstream unrealized gross profit become realized

downstream unrealized gross profit become realized

upstream realized gross profit become unrealized

downstream realized gross profit become unrealized

upstream unrealized gross profit still unrealized

downstream unrealized gross profit still unrealized