Break Up Details (Don's use Rate, its PWD rate 2008)

(i) Price for per sqm (4.66 kg) 1 sqm. @ 466 Per sqm. = 466
(ii) Screws, limpet, washer etc. 0.03 = 13.98
(iii) Labour cost = 33.91
Total = 513.89
Profit 0.1 = 51.39
Overhead 0.035 = 17.99
= 583.27
Add VAT with adjustment factor 1.04712 0.045 = 27.48
Grand total = 610.75
Rate per sqm. = 610.75
Say, 611 .00 Per sqm.