Answer:
Country A
Step-by-step explanation:
given data
country A give 11 lamp produce = 1 bicycle
country B give 15 lamps produce = 1 bicycle
solution
we know that country comparative advance is require giving up less of product for producing 1 bicycle
so as that country A has comparative advantage over country B
it is Because Country B has to sacrifice more in order to have 1 unit of the bicycle
so comparative advantage in making bicycles is Country A