For February, the cost components of a picture frame include $$0\mathrm{.}25$ for the glass, $$0\mathrm{.}65$ for the wooden frame, and $$0\mathrm{.}80$ for assembly. The assembly desk and tools cost $$500.$ Suppose $1,000$ frames are expected to be produced in the coming year. What cost function best represents these costs?

A$.y=500+1\mathrm{.}70x$

B$.y=1\mathrm{.}70+500x$

C$.y=500+0\mathrm{.}90x$

D$.y=0\mathrm{.}90+500x$

E$.y=2\mathrm{.}10+1,000x$