Received quotation from the contractor for my new hdb premium flat. Anyone can advise me if this quotation is reasonable?Thanks. 1 To construct kitchen cabinet base. $500.00 2 To construct kitchen sink with hollow block. $750.00 3 To demolish wall between kitchen and living hall. $600.00 4 To touch up tiling **** hall. $450.00 5 To install 2 set tempered glass shower screen at 2 toilets. $1,500.00 6 To construct shower kerb for 2 toilets. $200.00 7 To install L-Box light holder **** hall. $1,200.00