Ernie wants Harry's car for a weekend. To persuade Harry to let him take the car, Ernie prepares to offer to clean Harry's apartment for three weeks. If he still disagrees, Ernie plans to offer him $35. If this does not work, then Ernie decides he would let Harry stay in his apartment for two weeks. Ernie is engaging in:
A. flexible implementation.
B. agenda determination.
C. adjustable implementation.
D. triple bypass preparation.
E. adaptive planning