Determine the most suitable constraint for the below statements.

$$If the company decides to produce any product, it must make at least $50$ units of that product.$$

$$We have to produce each flavor less than or equal to $200$ units.$$

a$)50$yi xi yi

b$)50$yi $>=$ xi $>=200$ yi

c$)50$yi $>=$ yi $>=200$ xi

d$)50$yi yi xi