To an insurer, you are a statistic. Your premiums are based on your risk factors, including your credit rating. Bad credit increases the amount you pay for your premiums. Make certain to check your credit report annually for accuracy. Only premium for bodily injury and property damage should be calculated, not the whole premium. $($Use tables $20\mathrm{.}5,{20\mathrm{.}6}_{,}{20\mathrm{.}7}_{?}.)$

a$.$ Calculate the premium for someone in class $20$ for $10/20/5.$ Note: This premium is for compulsory insurance.

Premium $$3.$dots

b$.$ Determine how much the premium will be for class $20,\frac{50}{100}\frac{?}{50}.$

Premium

c$.$ What is the difference between the two?

Difference