Jasmina hired Phillipa to paint her fence three months from now. A month later Jasmina runs into Phillipa at Bower Mall selling popcorn. Phillipa tells Jasmina she is selling popcorn now. They don't specifically discuss the painting job in two months.

$($a$)$ What is an "anticipatory breach" and what criteria are required in enforcing it$.($b$)$ Using the example of Phillipa and Jasmina, why would one not enforce an anticipatory breach? $(4$ marks$)$