Last month, when $11,000$ units of a product were manufactured, the cost per unit was $$50.$ At this level of activity, variable costs are $40\%$ of total unit costs. If $12,000$ units are manufactured next month and cost behaviour patterns remain unchanged, the total cost of goods manufactured will be$?$

Multiple Choice

A$.$ $$570,000.$

B$.$ $$600,000.$

C$.$ $$770,000.$

D$.$ $$630,000.$