Minor edit: The "5.3%" I wrote out seemed too large and was bothering me all day. The culprit is that a Major Third is 5/4, not 4/3, leading to the D/E ratio be

Minor edit: The "5.3%" I wrote out seemed too large and was bothering me all day. The culprit is that a Major Third is 5/4, not 4/3, leading to the D/E ratio being 1.2% too small rather than 5.3% too large. Apologies.