The Town of Windsor issued the following during the year: $(1)$ $$600,000$ in bonds for the installation of street lights, to be assessed against properties benefited, but secondarily backed by the town; $(2)$ $$800,000$ in bonds for construction of a public golf course to be paid from fees collected from golf course users. How much should be accounted for through debt service funds for payments of principal over the life of the bonds?

A$.$ $$0.$

B$.$ $$600,000.$

C$.$ $$800,000.$

D$.$ $$1,400,000.$