diff --git a/src/client/Containers/Calculation/Elements/props/common.ts b/src/client/Containers/Calculation/Elements/props/common.ts
index b60da25..ecfcdf2 100644
--- a/src/client/Containers/Calculation/Elements/props/common.ts
+++ b/src/client/Containers/Calculation/Elements/props/common.ts
@@ -369,6 +369,12 @@ const elementsProps: Partial<Record<AllElementsNames, ElementProps>> = {
   labelImportProgramSum: {
     middleware: value => formatMoney(value),
   },
+  tbxBonusCoefficient: {
+    min: '0.00',
+    max: '10.00',
+    step: '0.10',
+    precision: 4,
+  },
 };
 
 export const numberElementsProps: Partial<Record<ElementsNames, ElementProps>> =
diff --git a/src/client/process/bonuses/reactions.ts b/src/client/process/bonuses/reactions.ts
index 55dcef5..a24b394 100644
--- a/src/client/process/bonuses/reactions.ts
+++ b/src/client/process/bonuses/reactions.ts
@@ -136,7 +136,10 @@ export default function ($calculation: ICalculationStore) {
         const max_sale_bonus =
           (evo_coefficient_bonus?.evo_sot_coefficient || 0) * 100;
         if (max_sale_bonus) {
-          $calculation.setValue('bonusCoefficient', saleBonus / max_sale_bonus);
+          $calculation.setValue(
+            'bonusCoefficient',
+            round(saleBonus / max_sale_bonus, 4),
+          );
         } else {
           $calculation.setValue('bonusCoefficient', 0);
         }