write a email that I just check with my manager about the price different. There are multiple factors lead to price increase. 1) Quotation 440429 was issue in 2022. All the cost has been up in every year. 2) The size of sign is 2 quotation is different. For example: the size of signs in Quotation 492113 (G1-V5B 5359mm x 3350mm) are bigger than Q440429 (G1-V5B 4610mm x 3025mm). 3) We provide you optimist post and related accessories for safety due to the sign G1-V5B (5359mm x 3350mm) is so huge. Quotation 440429 is no included. It cost more than $74K