Dpportu nib; coast Suppose that, in an 3-hour day, John can produce 1i} loaves of bread or ill] kilograms. of butter, while Jean can produce either 10 loaves of bread or 5 kilograms of butter. 2. Given the above, the opportunity cost of producing 1 loaf of bread is: a} [1.5 kg of butter for John and 1 kg of butter for Jean. h] 10 kgs of butter for John and 5 kgs of butter for Jean. 1:} 1 kg of butter for John and (1.5 kg of butter for Jean. d] 1 hour for John and 3D minutes {LIE hour] for Jean