After reviewing the items for sale and the total quantity of each item available for {TAIL ~ sale}, {HEAD ~ the bidder} dispatches to the auctioneer, e.g., at computer 100, one or more bids 
After reviewing the items for sale and the total quantity of each item available for { TAIL ~ sale } , { HEAD ~ the bidder } dispatches to the auctioneer , e.g. , at computer 100 , one or more bids
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH