... for a 9.75 debit.
Comments: Collected a total of 11.84 in credits with this; closing out here results in a realized gain of 2.09 ($209).
Here is the blow by blow (See Posts Below):
Opened the April 29th 375/454 for a 6.96 credit (delta neutral).
Rolled the 375 up to the 431 for a 4.09 credit (cut net delta).
Rolled the 431 to the 436 for a .79 credit (cut net delta).