Use Kruskal's algorithm for minimum-cost spanning trees on the graph below. What is the cost of the tree found? 
Definitions:
Modulator Valve
A component within an automatic transmission or braking system that regulates fluid pressure for smooth engagement or braking force.
Hydromechanical Transmissions
Transmissions that combine hydraulic and mechanical systems to provide variable power transmission capabilities.
Converter-In Pressure
The hydraulic pressure within a transmission's torque converter, crucial for its operation and control of fluid flow.
Torque Converter
A type of fluid coupling used in automatic transmissions to transfer rotating power from the engine to the transmission, allowing for variable speed and torque.
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