Answer:
A. Needing to pay 9000 yen per radio to its suppliers in a month, Radio shack makes a forward-exchange deal to buy yen.
Step-by-step explanation:
To hedge, for a company, means to reduce foreign-exchange risk regarding currencies from both parties. In this case, the only option that displays this action is Radio shack making a forward-exchange deal to buy yen, as this "forward-exchange deal" means that both parties agree on an arrangement to exchange their currencies at a set time in the future, avoiding fluctuation of the value of such currencies.