Provide your complete solution to the following problems. Only the final answer without justification will receive zero credit. $($a$)$ A long position forward contract can only be settled via physical delivery of the underlying asset. True or false? Why? $($b$)$ A short forward contract has an unlimited loss potential. True or false? Why? $($c$)$ There exist scenaios in which perfect hedges cannot be achieved. True or false? Construct one example to justify your claim.