Companies might be motivated to extinguish an existing debt when the stated rate of interest is higher than the current market rate

What is a contract called where the seller agrees to pay a commission and the broker agrees to use diligence in finding a buyer?

a. bilateral executory contract b. unilateral executory contract c. bilateral executory contract d. unilateral executory contract

Construct a 3-sigma R-chart for the length in centimeters of a part from the following table. What is the upper control limit of your R-chart?

Sample # Observation 1 Observation 2 Observation 3 Observation 4 1 0.486 0.499 0.493 0.511 2 0.499 0.506 0.516 0.494 3 0.496 0.5 0.515 0.488 4 0.495 0.506 0.483 0.487 5 0.472 0.502 0.526 0.469 6 0.473 0.495 0.507 0.493 7 0.495 0.512 0.49 0.471 8 0.525 0.501 0.498 0.474 9 0.497 0.501 0.517 0.506 10 0.495 0.505 0.516 0.511 A) .032 B) 0.51 C) 0.73 D) 2.28