Roundtree Software is going public using an auction IPO. The firm has received the following bids:

$\backslash$table$[[$Price $($$$),$Number of Shares$],[15\mathrm{.}00,140,000],[14\mathrm{.}80,280,000],[14\mathrm{.}60,520,000],[14\mathrm{.}40,1,200,000$