Protect Me, Ltd. makes one product.Budgeted unit sales for 1^stQuarter, 2^ndQuarter, 3^rdQuarter, and 4^thQuarter are 420,000;412,000;422,000;and 416,000 units, respectively.The ending finished goods inventory should equal 10% of the following month's sales.The budgeted required production for 3^rdQuarter is:

a.422,600 units

b.422,000 units

c.421,400 units

d.413,000 units

e.411,000 units