The main reasons that make the cost of return high year because more expensive for com. We should consider negotiating with official vendor, price drop down to a lower return year.
The main cause of that return year because of high cost of com more affordable. We should consider negotiating with the vendor. To reduce prices in order to return year low.
The main cause of the return year is high because of COM cost expensive, we should consider bargain กับทาง vendor. To bring the price down to return year down.