Which of the descriptions below best describe the meaning of Johan Tetzel's slogan:
 "As soon as coin in the coffer rings, the soul from purgatory springs." 
 a
 the payment for your sins to your local priest
 b
 the payment for good works will save you
 c
 the payment for Church rituals, such as baptisms and funerals
 d
 the payment for the salvation of your ancestors that are suffering in purgatory