A jacket for $75.00 cash, or $25.00 down and $4.75 per week for 11 weeks

It's wrong, the jacket cost 77.25 $, but if you pay 75.00$ cash (right away), you will earn a discount of 2.25

Step-by-step explanation:

The store offers the jacket's in 75.00 cash

but if you put 25.00 cash you have a proposal where you can pay 4.75 per week, for 11 weeks, that will be a total amount of 4.75*11 = 52.25

If you put all together, you will pay an amount of 25+52.25=77.25.

That means that the store earns an extra of 2.25.