diff --git a/index.js b/index.js
index e303d299..1f53749c 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,56 @@
-/* Your Code Here */
+function createEmployeeRecord(employee) {
+  return {
+    firstName: employee[0],
+    familyName: employee[1],
+    title: employee[2],
+    payPerHour: employee[3],
+    timeInEvents: [],
+    timeOutEvents: [],
+  }
+}
+
+function createEmployeeRecords(employees){
+  let employeeList = employees.map((employee) => createEmployeeRecord(employee))
+  return employeeList
+}
+
+function createTimeInEvent (dateStamp) {
+  let [date, time] = dateStamp.split(" ")
+  let clockIn = {
+    type: "TimeIn",
+    hour: parseInt(time, 10),
+    date: date
+  }
+  this.timeInEvents.push(clockIn)
+
+  return this
+}
+
+function createTimeOutEvent (dateStamp) {
+  let [date, time] = dateStamp.split(" ")
+  let clockOut = {
+    type: "TimeOut",
+    hour: parseInt(time, 10),
+    date: date
+  }
+  this.timeOutEvents.push(clockOut)
+
+  return this
+}
+
+function hoursWorkedOnDate (enteredDate) {
+  const hourIn = this.timeInEvents.find((inEvent) => inEvent.date === enteredDate)
+  const hourOut = this.timeOutEvents.find((outEvent) => outEvent.date === enteredDate)
 
+  return (hourOut.hour - hourIn.hour)/100
+}
+
+function wagesEarnedOnDate (enteredDate) {
+  const payRate = this.payPerHour
+  const hoursWork = hoursWorkedOnDate.call(this, enteredDate)
+
+  return hoursWork * payRate
+}
 /*
  We're giving you this function. Take a look at it, you might see some usage
  that's new and different. That's because we're avoiding a well-known, but
@@ -21,3 +72,13 @@ const allWagesFor = function () {
     return payable
 }
 
+function findEmployeeByFirstName (srcArray, firstNameString) {
+
+  return srcArray.find((employeeRecord) => employeeRecord.firstName = firstNameString)
+}
+
+function calculatePayroll (employeeRecords) {
+  let payRoll = employeeRecords.reduce((total, employeeRecord) => total + allWagesFor.call(employeeRecord), 0)
+
+  return payRoll
+}