Provide an Appropriate Response $$C = \frac { \mathrm { Tx } + 1000 \mathrm {~T} } { \mathrm { x } }$$

Multiple Choice

Provide an appropriate response.
-A snowboard company has manufacturing costs given by the equation $$C = \frac { \mathrm { Tx } + 1000 \mathrm {~T} } { \mathrm { x } }$$ where T is a different constant for each model, x is the number of snowboards manufactured, and C is the cost to manufacture one snowboard of a particular model. Choose which of the following statements are true with
Regard to this mathematical model.
I. The manufacturing cost per snowboard is the same for all models if 8000 of each model is manufactured.
II. The manufacturing cost per snowboard decreases for all models as the number manufactured increases.
III. The manufacturing cost per snowboard decreases for only some models as the number manufactured increases.

A) Only II is true.
B) All three statements are true.
C) Only I and III are true.
D) Only I and II are true.