(a) In the case of mixed uses, the parking spaces required shall equal the sum of the requirements of the various uses computed separately.
(b) Where fractional spaces result, the parking spaces required shall be construed to the nearest whole number.
(c) The parking space requirement for a use not specifically mentioned herein shall be the same as; required for a use of similar nature.
(d) When an applicant for a building permit does not specify the exact use planned for the proposed building, the Zoning Administrator shall choose the use from Section 1157.05 in the general category of the proposed building which requires the greatest number of parking spaces.