Time left $0$:$55$:$25$

Using constant workforce and varying inventory and stock out, what would be the constant workforce? Production required in periods $1,2$ and $3$ respectively are $1,200,1,500$ and $900$ units. One worker during the panning horizon can produce two units in one day. Number of work days are $22$ in period $17$ in period $2$ and $21$ in period $3.$ Assume that the beginning inventory and the ending inventory required are $300$ units each. What is the number of workers required during the planning horizon of three periods?

a$.35$

b$.30$

c$.60$

d$.600$

e$.300$

Which of the following is considered a primary report in an MRP system?

a$.$ Cycle counting reports.