You find the following order book on a particular stock. The last trade on the stock was at $$67\mathrm{.}36.$

Buy Orders Sell Orders

Shares Price Shares Price

$250$ $ $67\mathrm{.}35100$ $ $67\mathrm{.}38$

$55067\mathrm{.}3475067\mathrm{.}39$

$90067\mathrm{.}331,00067\mathrm{.}41$

$30067\mathrm{.}3135067\mathrm{.}42$

$85067\mathrm{.}43$

If you place a market buy order for $100$ shares, at what price will it be filled?

Note: Round your answer to $2$ decimal places.

If you place a market sell order for $100$ shares, at what price will it be filled?