Complex sentence: The monstrance took seven years to create and its cost surpassed 15 million maravedís, which Arce received, including the stipulated 2,700 reales, a bonus of 2,500 maravedís that the cathedral's chapter presented to him on Christmas of 1523, having been impressed by his work.
Split into simpler sentences: The monstrance took seven years to create and its cost surpassed 15 million maravedís, of which Arce received the stipulated 2,700 reales. He was awarded a bonus of 2,500 maravedís that the cathedral's chapter presented to him on Christmas of 1523, having been impressed by his work.