diff --git a/solutions/go/cars-assemble/1/cars_assemble.go b/solutions/go/cars-assemble/1/cars_assemble.go
new file mode 100644
index 0000000..64b4ddd
--- /dev/null
+++ b/solutions/go/cars-assemble/1/cars_assemble.go
@@ -0,0 +1,29 @@
+package cars
+
+// CalculateWorkingCarsPerHour calculates how many working cars are
+// produced by the assembly line every hour.
+func CalculateWorkingCarsPerHour(productionRate int, successRate float64) float64 {
+	return (float64(productionRate) * successRate) / 100
+}
+
+// CalculateWorkingCarsPerMinute calculates how many working cars are
+// produced by the assembly line every minute.
+func CalculateWorkingCarsPerMinute(productionRate int, successRate float64) int {
+	successfulCarsPerHour := float64(productionRate) * (successRate / 100.0)
+	minutesPerHour := 60.0
+	successfulCarsPerMinute := successfulCarsPerHour / minutesPerHour
+	return int(successfulCarsPerMinute)
+}
+
+// CalculateCost works out the cost of producing the given number of cars.
+func CalculateCost(carsCount int) uint {
+	totalCost := 0
+
+	numGroups := carsCount / 10
+	totalCost += numGroups * 95000
+
+	remainingCars := carsCount % 10
+	totalCost += remainingCars * 10000
+
+    return uint(totalCost)
+}