Hello and welcome to JustAnswer!
These prices are for Mopar parts. Aftermarket would be cheaper. Multiply these labor times by the labor rate of the shop doing the work to get the dollar amount you'll expect to pay for labor.
The belt runs $60 and calls for .3 labor to install.
The radiator cap runs $19.45.
The radiator runs $387, calls for 3 hours labor to replace, and there will be about $40 worth of coolant needed.