They are today's shoppers, but they are computer shoppers. Still, shoppers need to know something, for they need to know what their options are.
Explanation:
This seems to make sense considering that these conjunctions are simple, but they make the sentence work, and hopefully this helps! Let me know if this is the right answer and let me know if this worked out for you.
If they up sell by 27% you would need to take the original price of $325 and find 27% of that. To do this, multiply 325x.27 (.27 is 27% converted to a decimal) which is = to 87.75 you then need to add $87.75 to $325 which will get you $412.75.