The Sales for January,February,and March Are $2,000,$6,000 and $10,000,respectively

The sales for January,February,and March are $2,000,$6,000 and $10,000,respectively.For any particular month of sales the following percentages are received over time in cash for any given month: 50% in cash from that same month of sales;30% in cash from the previous month's sales;and 20% in cash from the sales from two months ago.What amount of cash will be received during March?

A) $8,200
B) $7,600
C) $7,200
D) $6,600