Answer :
If you would like to know how many dollars is the increase, you can calculate this using the following steps:
7% of $45 = 7% * 45 = 7/100 * 45 = $3.15
Result: The increase is $3.15.
7% of $45 = 7% * 45 = 7/100 * 45 = $3.15
Result: The increase is $3.15.