(A) The time within which an act is to be done shall be computed by excluding the first and including the last day. If the last day is a Saturday, Sunday or legal holiday, that day shall be excluded. When the period of time prescribed or allowed is less than seven days, intermediate Saturdays, Sundays and holidays shall be excluded.
(B) Whenever a person has the right or is required to do some act within a prescribed period after the service of a notice or another paper upon him or her and the notice or paper is served by mail, three days shall be added to the prescribed period.