What happens next in this paragraph?

How to calculate cost of travel
Calculate the cost of transportation.
Transportation is likely to be 1 of the biggest travel costs you will incur. If you are taking a plane, train or bus, then your transportation cost equates to the price of your ticket.
Options:
(i) If you are taking a train or bus, then your costs will be discussed in part 1. Use the rate of travel calculator.;
(ii) You should divide the cost of your trip from your travel expenses by the per hour range. For example, if you are taking a train, you would multiply the cost per hour by 2 and then multiply this by 1 in your calculations.;
(iii) If you are taking a public transit or bus, then the cost of transportation might be anywhere from $500-$500. How much you will be able to spend on entertainment can also help.;
(iv) If you are driving, you will need to calculate the cost of the rental vehicle, if applicable, and the amount of gas your trip will require. This is mostly aimed at cost per us or can dollar, for uk pound/euro dollar you may have to adjust manually.;
(iv)