How much does this cost to the nearest dollar?

GE 78960 Energy Smart Spiral Compact Fluorescent Bulb, Blue
Product Description GE 78960 Energy Smart 13 Watt Spiral CFL Blue Replacement. GE Compact Fluorescent lamps (CFL) offer many advantages that include cost savings, extra long life, light output, and color rendering. With this CFL you'll get dramatic energy cost savings up to 77 percent vs. incandescent lamps of comparable light output. The extra long life most last 8 to 10 times longer, and some last up to 20 times longer, than standard incandescent lamps. From the Manufacturer GE 78960 Energy Smart 13 Watt Spiral CFL Blue Replacement. GE Compact Fluorescent lamps (CFL) offer many advantages that include cost savings, extra long life, light output,

Price is $21.00
Price: $21