The summit of Medici power is found in Michelangelo's superb New Sacristy (Sacrestia Nuova), a one-man show of his unparalleled talents that he worked on from 1521 1534.
Michelangelo did not charge a lot of money for the New Sacristy.  
mnli hypothesis: Michelangelo did not charge a lot of money for the New Sacristy.   premise: The summit of Medici power is found in Michelangelo's superb New Sacristy (Sacrestia Nuova), a one-man show of his unparalleled talents that he worked on from 1521 1534.