While Steve is cleaning out his garage, he finds an old surfboard that he no longer needs. As he walks to the dumpster to throw it out, his neighbor John asks if he could have it. John offers Steve a 6-pack of beer (worth $10) in exchange, which Steve happily accepts. Steve has achieved a producer surplus of

When a shortage or a surplus arises in the loanable funds market a. the supply of loanable funds changes to return the economy to its original real interest rate b. the nominal interest rate is pulled to the new equilibrium level c. the demand for loanable funds changes to return the economy to its original real interest rate d. the real interest rate is pulled to the new equilibrium level