diff --git a/src/app/asset-calculator/asset-calculator.component.html b/src/app/asset-calculator/asset-calculator.component.html
index fdd4cad..afc1ce0 100644
--- a/src/app/asset-calculator/asset-calculator.component.html
+++ b/src/app/asset-calculator/asset-calculator.component.html
@@ -130,7 +130,7 @@
                         </tr>
                     </thead>
                     <tbody>
-                        @for (position of amortizations.positions; track $index) {
+                        @for (position of amortizations; track $index) {
                             <tr [class]="clazz(position)" class="text-center">
                                 <th scope="row" >{{$index+1}}</th>
                                 <td>{{ position.when.year }}</td>
@@ -138,7 +138,7 @@
                                 <td>{{ position.calculatedDepreciation | number:'1.2-2' }}</td>
                                 <td>{{ position.sum | number:'1.2-2' }}</td>
                             </tr>	
-                            @if( 12 === position.when.month || $index === amortizations.positions.length-1){
+                            @if( 12 === position.when.month || $index === amortizations.length-1){
                                 <tr>
                                     <td colspan="3">
                                     </td>    
diff --git a/src/app/asset-calculator/asset-calculator.component.ts b/src/app/asset-calculator/asset-calculator.component.ts
index 449484e..70257d9 100644
--- a/src/app/asset-calculator/asset-calculator.component.ts
+++ b/src/app/asset-calculator/asset-calculator.component.ts
@@ -2,7 +2,7 @@ import { Component,  OnInit, OnDestroy } from '@angular/core';
 import { ReactiveFormsModule,  FormGroup, Validators, FormControl,  FormBuilder, AbstractControl } from '@angular/forms';
 import { DecimalPipe }  from '@angular/common';
 
-import {Asset, Positions, AssetPlanPosition, TypeDepreciation, YearMonth, AssetLifeChange, AssetDepreciationMethod, YearMonthUtil } from '../assets/asset';
+import {Asset,  AssetPlanPosition, TypeDepreciation, YearMonth, AssetLifeChange, AssetDepreciationMethod, YearMonthUtil } from '../assets/asset';
 import {AssetService} from '../assets/service/asset.service'
 import {TranslateModule} from "@ngx-translate/core";
 
@@ -27,7 +27,7 @@ export class AssetCalculatorComponent implements OnInit, OnDestroy{
 
 	lifeFormArray     ;
 	assetsDepreciationFormGroup : FormGroup;
-	amortizations     = new Positions();
+	amortizations   : AssetPlanPosition[]=[];
 
     constructor(private fb: FormBuilder,
 		        private assetService : AssetService){
@@ -130,10 +130,10 @@ export class AssetCalculatorComponent implements OnInit, OnDestroy{
 
     }
 
-    calculateToValues( positions:Positions )  {
+    calculateToValues( positions:AssetPlanPosition[] )  {
 		let sum = 0;
 		let sumThisYear = 0;
-		positions.positions.forEach(position => {
+		positions.forEach(position => {
 			position.calculatedDepreciation *= 0.01;
 			sum += position.calculatedDepreciation;
 			position.sum = sum;
diff --git a/src/app/assets/asset.ts b/src/app/assets/asset.ts
index afe34e9..c729fc8 100644
--- a/src/app/assets/asset.ts
+++ b/src/app/assets/asset.ts
@@ -120,6 +120,5 @@ export class AssetPlanPosition{
 
 }
 
-export class Positions {
-	positions : AssetPlanPosition[]=[];
-}
\ No newline at end of file
+
+	 
diff --git a/src/app/assets/service/asset.service.ts b/src/app/assets/service/asset.service.ts
index 9cec5e9..c3af822 100644
--- a/src/app/assets/service/asset.service.ts
+++ b/src/app/assets/service/asset.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 
 import { HttpClient} from '@angular/common/http';
-import { Asset, Positions } from '../asset';
+import { Asset, AssetPlanPosition } from '../asset';
 import { Observable } from 'rxjs';
 
 
@@ -20,8 +20,8 @@ export class AssetService {
 
   constructor(private http: HttpClient) { }
 
-  calculate(asset: Asset) : Observable<Positions>{
-     return this.http.post<Positions>(this.assetUrl, asset) ;
+  calculate(asset: Asset) : Observable<AssetPlanPosition[]>{
+     return this.http.post<AssetPlanPosition[]>(this.assetUrl, asset) ;
   }
 
 }