A if she does not knock on any doors at all during the week she will lose $30
B she can earn $10 per week even if she does not knock on any doors
C she will lose $10 per week if she does not knock on any doors
D her expenses are $30 per week

A if she does not knock on any doors at all during the week she will lose 30 B she can earn 10 per week even if she does not knock on any doors C she will lose class=