Signal Systems uses a periodic inventory system. On March 31, Signal has two WIFI extenders on hand at a cost of $1,500 cach (serial numbers 21534892 and 21534894). In April, the company purchases four more identical WIFI extenders from its supplier for $1,450 each (serial numbers 21542631 through 21542634). In May, the company purchases five more identical WiFi extenders for $1,600 each (serial numbers 21550964 through 21550968). In June, Signal sells two of these WIFI extenders (serial numbers 21534894 and 21542631). There were no additional purchases or sales during the remainder of the year. Signal Systems use the specific identification method. What is its cost of goods sold? $3,200 $3,033 $3,000 $2.950