A computer manufacturing company has $2$ computer manufacturing plants, $1$ in Chicago and $1$ in Atlanta. The Chicago plant can manufacture up to $600$ computers a month. The Atlanta plant can manufacture up to $700$ computers a month.

The company also has $3$ Distribution Centers: New York, Denver and San Diego. New York has a demand of $300$ computers a month, Denver has a demand of $350$ computers a month, and San Diego has a demand of $500$ computers a month.

The cost of transportation from the manufacturing plants to the distribution centers are as follows:

Chicago to New York: $$10$

Chicago to Denver: $$15$

Chicago to San Diego: $$20$

Atlanta to New York: $$5$

Atlanta to Denver: $$15$

Atlanta to San Diego: $$30$

a$.$ Create a table or a graph to display the manufacturing plants, distribution centers, and the associated transportation costs.