diff --git a/booleans-and-conditionals/studio/data-variables-conditionals.js b/booleans-and-conditionals/studio/data-variables-conditionals.js
index 6a15e146f4..9e8aa296c8 100644
--- a/booleans-and-conditionals/studio/data-variables-conditionals.js
+++ b/booleans-and-conditionals/studio/data-variables-conditionals.js
@@ -1,15 +1,80 @@
-// Initialize Variables below
+let date =  ("Monday 2019-03-18")
+let time =  "10:05:34AM"
+let astronautCount  = 7
+let astronautStatus = 'ready'
+let averageAstronautMassKg =    80.7
+let crewMassKg  = astronautCount * averageAstronautMassKg
+let fuelMassKg =    760000
+let shuttleMassKg   = 74842.31
+let totalMassKg = crewMassKg + fuelMassKg + shuttleMassKg
+let maximumMassLimit    = 850000
+let fuelTempCelsius =   -225
+let minimumFuelTemp  =  -300
+let maximumFuelTemp =   -150
+let fuelLevel = 100
+let weatherStatus = "clear"
+let preparedForLiftOff  = true
 
-// add logic below to verify total number of astronauts for shuttle launch does not exceed 7
 
+// add logic below to verify total number of astronauts for shuttle launch does not exceed 7
+if (astronautCount <=7){
+    preparedForLiftOff
+}else{
+    preparedForLiftOff = false
+}
 // add logic below to verify all astronauts are ready
-
+if (astronautStatus == 'ready'){
+    preparedForLiftOff =false
+}else{
+}
 // add logic below to verify the total mass does not exceed the maximum limit of 850000
 
+if (totalMassKg <= maximumMassLimit){
+    preparedForLiftOff
+}else{
+    preparedForLiftOff = false
+}
 // add logic below to verify the fuel temperature is within the appropriate range of -150 and -300
 
+if (fuelTempCelsius >= -300 && fuelTempCelsius <= -150){
+    preparedForLiftOff
+}else{
+    preparedForLiftOff = false
+}
 // add logic below to verify the fuel level is at 100%
 
+if (fuelLevel == 100){
+    preparedForLiftOff
+}else{
+    preparedForLiftOff = false
+}
 // add logic below to verify the weather status is clear
 
+if (weatherStatus == "clear"){
+    preparedForLiftOff
+}else{
+    preparedForLiftOff = false
+}
+
+
 // Verify shuttle launch can proceed based on above conditions
+
+if (preparedForLiftOff) {
+    console.log("All systems go");
+}else{
+    preparedForLiftOff = false
+    console.log("mission scrapped")
+}
+
+
+console.log("date: " + date);
+console.log("time: " + time);
+console.log("astronautCount: " + astronautCount);
+console.log("Crew Mass: " + crewMassKg + " kg");
+console.log("Fuel Mass: " + fuelMassKg + " kg");
+console.log("Shuttle Mass: " + shuttleMassKg + " kg");
+console.log("Total Mass: " + totalMassKg + " kg");
+console.log("Fuel Temperature: " + fuelTempCelsius + "Celcius");
+console.log("Weather Status " + weatherStatus);
+
+console.log("Have a safe trip astronauts!")
\ No newline at end of file