On august 29, paris and helen agree that paris will supply helen with natural gas for one year beginning on january 1 and helen will make payments each month. on september 30, helen contacts paris and informs him that she may not be able to make the monthly payments, but she will try. on december 15, before paris has taken any action in response to helen's call, helen notifies paris that she should be able to make the monthly payments.
this is an example of a(n):
o breach
o retraction of a repudiation
o waiver
o accord and satisfaction
o retraction of an anticipatory breach