$45.$ A general contractor is insured under a CGL policy with a standard "earlier notice of cancellation provided by us$"$ endorsement. This endorsement increases the amount of notice the insurer must provide with respect to

$($Search Chapter $10)$

a$.$ cancellation, nonrenewal, and material policy change.

b$.$ cancellation and material policy change.

c$.$ cancellation only.

d$.$ cancellation and nonrenewal.