Top of Order Book

$\backslash$table$[[$Bid$,$Ask$],[$Price$,$Size,Price,Size$],[30\mathrm{.}75,3,117,30\mathrm{.}76,700],[30\mathrm{.}74,3,160,30\mathrm{.}77,2,623],[30\mathrm{.}73,4,900,30\mathrm{.}78,1,900],[30\mathrm{.}72,1,520,30\mathrm{.}79,4,400],[30\mathrm{.}71,3,800,30\mathrm{.}80,4,000]]$

At what price $($or prices$)$ will these orders be executed if matched with existing limit orders?

Market buy for $500$ shares

Market buy for $2500$ shares