The finance charge is
a. the unpaid balance from last month
b. the new balance this month
c. the amount of interest you pay on the unpaid balance
d. the minimum amount you pay on the balance

The correct answer is C. The finance charge is the amount of interest you pay on the unpaid balance.

Step-by-step explanation:

A financial charge is a fee that is charged for the privilege and convenience of using a credit card.  Generally speaking, the term financial charges refers to the credit card interest rate. But it also includes other fees, for example advance cash.

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐

i think it is 70

step-by-step explanation: