If a worker in brazil produces $1$ pound of beef or $1$ pound of cheese in $1$ hour and worker in france produces $2$ pounds of beef or $6$ pounds of cheese, what is the opportunity cost of producing $1$pound of beef in brazil? what is the opportunity cost of producing $1$ pound of beef in france? what is the opportunity cost of producing

$1$pound of cheese in brazil? what is the opportunity cost of producing

$1$pound of cheese in france?