Area of hall = 23 × 29 = 667 m2
Area of branch manager room
= 13 × 17 = 221 m2
Area of pantry = 14 × 13 = 182 m2
Area of record keeping
=21 × 13 = 273 m2
Area of locker = 29 × 21= 609 m2
Total flooring area
= (667 + 221+ 182 + 273 + 609) m2
= 1952 m2
Cost of wooden flooring = Rs 170 per m2
Cost of marble flooring = Rs 190 per m2
Cost of renovation of hall + locker
area = 667 × 170 + 609 × 100
= 113390 + 115710= Rs 229100