Fix grammar errors in this sentence: Right now, there are researches to reduce the cost by improving the design of SFR and the most prominent is probably by improving the design of the core of SFR.
The cost of the SFR is 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
The cost of the core of the SFR is the most important factor in the design of the SFR.
The cost of the core of the SFR is the most important factor in the design of the SFR.
The cost of the core of the SFR is the most important factor in the design of the SFR.
The cost of the core of the SFR is the most important factor in the design of the SFR.
The cost of the core of the S