diff --git a/PULL_REQUEST_TEMPLATE.md b/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..a52a8b6
--- /dev/null
+++ b/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,17 @@
+## DESCRIPTION
+
+Solución al reto 04 de Escuela de JavaScript
+
+Nombre: Andrés Felipe Tovar Rojas
+Usuario Platzi: andresftovarnpm
+
+## GRUPO
+- [x] Martes
+- [ ] Miercoles
+- [ ] Jueves
+
+## Reto:
+  - [x] Primer problema
+  - [x] Segundo problema
+  - [x] Tercer problema
+  - [ ] Cuarto Problema (Opcional)
diff --git "a/PULL_REQUEST_TEMPLATE.md\t" "b/PULL_REQUEST_TEMPLATE.md\t"
deleted file mode 100644
index 9a4d861..0000000
--- "a/PULL_REQUEST_TEMPLATE.md\t"
+++ /dev/null
@@ -1,17 +0,0 @@
-## DESCRIPTION
-
-Solución al reto 04 de Escuela de JavaScript
-
-Nombre:
-Usuario Platzi:
-
-## GRUPO
-- [ ] Martes
-- [ ] Miercoles
-- [ ] Jueves
-
-## Reto:
-  - [ ] Primer problema
-  - [ ] Segundo problema
-  - [ ] Tercer problema
-  - [ ] Cuarto Problema (Opcional)
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..b37f067
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,5 @@
+{
+  "name": "escuelajs-reto-04",
+  "version": "1.0.0",
+  "lockfileVersion": 1
+}
diff --git a/package.json b/package.json
index bf060d5..540620b 100644
--- a/package.json
+++ b/package.json
@@ -21,4 +21,4 @@
     "url": "https://github.com/platzi/escuelajs-reto-04/issues"
   },
   "homepage": "https://github.com/platzi/escuelajs-reto-04#readme"
-}
\ No newline at end of file
+}
diff --git a/src/index.js b/src/index.js
index 4c965e7..4fc3e12 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,9 +1,18 @@
+const minSeg = 1000
+const maxSeg = 8000
+
+const randomTime = () => Math.floor(Math.random() * (maxSeg - minSeg)) + minSeg;
+
 const orders = (time, product, table) => {
   console.log(`### Orden: ${product} para ${table}`);
   return new Promise((resolve, reject) => {
+    if (time <= randomTime()){
     setTimeout(() => {
       resolve(`=== Pedido servido: ${product}, tiempo de preparación ${time}ms para la ${table}`);
     }, time);
+  } else{
+    reject(`=== Disculpa la demora, estamos preparando ${product}`);
+  }
   });
 }
 
@@ -21,4 +30,31 @@ const waiter = () => {
     .catch((err) => console.error(err));
 };
 
+const waiter2 = () => {
+  orders(randomTime, menu.hotdog, table[0])
+  .then(res => {
+    console.log(res);
+    return orders(randomTime, menu.pizza, table[2]);
+  }) 
+  .then(res => console.log(res))
+  .catch(err => console.error(err));
+};
+
+async function waiter3() {
+  try {
+    const listOrders = [
+      await orders(randomTime(), menu.hotdog, table[1]),
+      await orders(randomTime(), menu.pizza, table[1]),
+      await orders(randomTime(), menu.hotdog, table[1])
+    ];
+    const res = await Promise.all(listOrders);
+    console.log(res);
+  } catch (err) {
+    console.error(err);
+  }
+}
+
+
 waiter();
+waiter2();
+waiter3();
\ No newline at end of file