How much does this cost to the nearest dollar?

60/40 Solder for Stained Glass - 1 lb. spool
Having been in business for 228 years, NATHAN TROTTER has been producing solder far longer than any other supplier in North America. As the largest importer of tin in North America they have preferred access to the best selection of raw materials at the most favorable prices. The quality of NT solder is the result of their longstanding metallurgical expertise and they take pride in achieving the highest purity and lowest dross levels in the industry. NATHAN TROTTER 60/40 Solid Core Wire Solder is a high purity alloy that is composed of 60% tin and 40% lead. It is alloyed in a proprietary method that results in a high wetting solder. CALIFORNIA PROP

Price is $21.00

Price: $20.99