retail prices


list of commonly purchased items

1, 2, or 3 items available in each category

customers can place bids for each item

at the end of the day, top bids are filled (real sales)

normal selling prices, 25% above the lowest price determined in this way





			choc bars	drinks


items available		2		3



bids


			sam	85c		john		$1.25
			bill	80c		margaret	$1.20
			jane	75c		bill		$1.10
			susan	73c		james		$1.05
			john	72c



customers can place more bids at any time, at any figure


sales at end of day

	choc bars	sam, bill, 		85c each

	drinks		john, margaret, bill	$1.10 each




normal selling prices = 1.25 x auction price


	