A bank in London, Ontario charges $2\mathrm{.}75\%$ commission to buy and sell currencies. Assume that the current exchange rate is US$$1=C$$$1\mathrm{.}3169.$

a$.$ How many Canadian dollars will you receive from the bank if you sell US$$1,370?$

Round to the nearest cent

b$.$ How much commission will you pay the bank for this transaction?

Round to the nearest cent