Mike and Sandy Are Two Woodworkers Who Both Make Tables

Mike and Sandy are two woodworkers who both make tables and chairs.In one month,Mike can make 6tables or 18 chairs,where Sandy can make 5 tables or 25 chairs.What is the opportunity cost of 1 table

A) 1/5 chair for Mike and 1/3 chair for Sandy
B) 5 chairs for Mike and 3 chairs for Sandy
C) 1/3 chair for Mike and 1/5 chair for Sandy
D) 3 chairs for Mike and 5 chairs for Sandy