he following are the January 1 and June 30 balance sheets of a company:

                                  Assets (in millions)

                                 January 1      June 30

Cash                                $3             $4

Accounts receivable                   5             4

Inventories                           8             10

Fixed assets                         10             11

Total assets                         $26           $29

Accounts payable                    $2             $3

Notes payable                         4            3

Accrued wages                        1             2

Long-term debt                       9            11

Stockholder's equity                  10           10

Total liabilities and stockholders' equity  $26      $29

From January 1 to June 30, the net working capital

A. Increased by $1 million.

B. Decreased by $1 million.

C. Increased by $2 million.

D. Stayed the same.