Capacity data
Beginning workforce 210 employees	210 employees
Beginning inventory 400 units	400 units
Labor standard per unit 6 hours	6 hours
Regular time available per period 160 hours	160 hours
Overtime available per period 32 hours	32 hours
Subcontracting maximum per period 1000 units	1000 units
Subcontracting minimum per period 500 units	500 units
Demand data
Period 1	6000 units
Period 2	4800 units
Period 3	7840 units
Period 4	5200 units
Period 5	6500 units
Period 6	3600 units

Given this information,

i. the number of workers needed in period 3

ii. the number of workers needed in period 6

iii. the number of workers that will be hired within the entire 6 period is

iv. the total number of firing that will be carried out within the entire 6 period is

v. the total number of hiring that will be carried out within the entire 6 period is

vi. the total number of extra workers that will be hired during period 4 is

vii. the total cost of the production plan is