The duration for which the parking cost needs to be calculated is 2 hours.
Step 2: Determine the segment of the piecewise function
Since the duration is 2 hour(s), it falls into the second segment of the piecewise function.
Step 3: Apply the corresponding formula
The cost for the first hour is $2.5, and the cost for each additional hour or part thereof is $1.3.
Total cost for additional hours is $1.3 * 1 = $1.3.
Thus, the total cost is $2.5 + $1.3 = $3.8.