The table shows the exact amount of precious metals in grams per 1 unit of product:
| Gold (Au) | Silver (Ag) | Platinum (Pt) | Palladium (Pd) |
| 1,725 | 3,453 | 0,95 | 1,37 |
У4-28 contains 1,725 g. Gold , 3,453 g. Silver , 0,95 g. Platinum , 1,37 g. Palladium.
Given the course of precious metals, we calculate the approximate cost. Multiply the amount of precious metals by the current exchange rate.
Estimated cost= 1,725g*2840.7$ + 3,453g*30.8$ + 0,95g*1625.56$ + 1,37g*3085.54$= 10778.0317 $
Усилитель У4-28 is on the secondary market of radio components 10778.0317 $
| Gold (Au) | Silver (Ag) | Platinum (Pt) | Palladium (Pd) |
| 2840.7 | 30.8 | 1625.56 | 3085.54 |