Samantha earns 12% commission each week for sales of a product. Last week, she sold $6,400 worth of product. How much did she earn in commission last week? If she makes the same amount each week, how much commission will she earn in a year? (1 point)

A. She earned $533 in commission last week and will earn $6,400 in a year.

B. She earned $768 in commission last week and will earn $9,216 in a year.

C. She earned $533 in commission last week and will earn $27,716 in a year.

D. She earned $768 in commission last week and will earn $39,936 in a year.

B. She earned $768 in commission last week and will earn $9,216 in a year.

To calculate her commission for last week:
$6,400 x 12% = $768

To calculate her commission for the year:
$768 x 12 = $9,216