How much does this cost to the nearest dollar?

GPS Automotive - 9 power booster, 1-1/8 in Bore Cast Iron Master with chrome lid, bottom mount valve. Disc/drum (Chrome)
New 9 chrome plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 9 power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power brake booster is designed mount directly to your factory firewall. Also included in this kits is a new 1-1/8 bore master cylinder and proportioning valve equipped to work with front disc rear drum applications. New 9 chrome plated power brake booster, master cylinder & disc/drum proportioning valve combo This 9 power booster is hand polished before a chrome finish is applied for a top quality finish The top

Price is $390.00

Price: $389.95