QuickLinks -- Click here to rapidly navigate through this document

EXHIBIT 12.1

COMPUTATION OF RATIOS

Ratio of current assets to current liabilities = current assets (at balance sheet date) divided by current liabilities (at balance sheet date).

Inventory turnover ratio = total cost of sales divided by average inventory (beginning and ending inventory, divided by two, at the balance sheet date).

Book value per share = stockholders' equity divided by common shares outstanding (at balance sheet date).

QuickLinks

EXHIBIT 12.1

COMPUTATION OF RATIOS