Answer:
b. The fee for accessing the river in a national park
c. The wages you forgo by going kayaking
d. The rental of any kayak equipment you need
Explanation:
True cost includes all the cost incurred in kayaking and opportunity cost. All the costs incurred in kayaking includes :
The fee for accessing the river in a national park
The rental of any kayak equipment you need.
The opportunity cost of kayaking is: The wages you forgo by going kayaking.
I hope my answer helps you