Answer:
yes
Explanation:
because you are the one saying the action that Mary did.
here's your answer but u can add some more words in it or u can remove some words
1. the cost of return transport to airport is the price of the transportation you take to get back to the airport
2. the cost of transport to the airport/car parking at the airport is the price it costs for the transportation you take to get there
3. price of local currency means how much it costs to convert the money