Ham costs $8 per pound. Cheese costs $6 per pound. Steve bought x pounds of ham and y pounds of cheese, and the total cost was $29. He bought 1 pound more of ham than of cheese. Which system of equations represents this situation?

A.{y−x=18x+6y=29

B.{y−x=16x+8y=29

C.{x−y=18x+6y=29

D.{x−y=16x+8y=29