Thinking about a water softener and a tankless RO system. Any help would be greatly appreciated.

Well test results.
Nitrate and Nitrite as N <0.071mg/L
pH 7.57
Arsenic (As)-Total 0.0040mg/L
Barium (Ba)-Total 0.0244mg/L
Boron (B)-Total 0.151mg/L
Calcium (Ca)-Total 81.3mg/L
Copper (Cu)-Total 0.0032mg/L
Iron (Fe)-Total 0.50mg/L
Magnesium (Mg)-Total 99.2mg/L
Manganese (Mn)-Total 0.0185mg/L
Potassium (K)-Total 5.29mg/L
Sodium (Na)-Total 48.2mg/L
Uranium (U)-Total 0.00622mg/L
Zinc (Zn)-Total <0.020mg/L
TDS (Calculated from 713mg/L
Sulfate 231mg/L
Nitrite-N <0.050mg/L
Nitrate-N <0.050mg/L
Hardness (as CaCO3) 611mg/L
Hardness-grains/USgal 35.8
Hardness-grains/IMPgal 42.9
Fluoride 0.35mg/L
Conductivity 1100
Chloride 33.2 mg/L