diff --git a/.infracost/pricing.gob b/.infracost/pricing.gob
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diff --git a/.infracost/terraform_modules/manifest-1b1ed905d54c18e3dd8828986c14be17.json b/.infracost/terraform_modules/manifest-1b1ed905d54c18e3dd8828986c14be17.json
new file mode 100644
index 0000000..9a05535
--- /dev/null
+++ b/.infracost/terraform_modules/manifest-1b1ed905d54c18e3dd8828986c14be17.json
@@ -0,0 +1 @@
+{"Path":"terraform","Version":"2.0","Modules":[]}
\ No newline at end of file
diff --git a/lab-5/README.md b/lab-5/README.md
new file mode 100644
index 0000000..0b7cf10
--- /dev/null
+++ b/lab-5/README.md
@@ -0,0 +1,25 @@
+# Lab 5
+
+Build an RDS Database (MySQL) within VPC
+
+## Tasks
+
+- [ ] Using Terraform, provision a private RDS MySQL 8.0 instance in the same VPC.
+Restrict access so only your EC2 (from Month 1) can connect on port 3306.
+
+## Map
+
+```mermaid
+```
+
+## Resources
+
+- https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/vpc
+- https://docs.aws.amazon.com/vpc/latest/userguide/vpc-cidr-blocks.html
+- [An Introduction to Networking Terminology, Interfaces, and Protocols](https://www.digitalocean.com/community/tutorials/an-introduction-to-networking-terminology-interfaces-and-protocols)
+- [Understanding IP Addresses, Subnets, and CIDR Notation for Networking](https://www.digitalocean.com/community/tutorials/understanding-ip-addresses-subnets-and-cidr-notation-for-networking)
+  
+## Terms
+
+- **CIDR blocks**: 
+- **IPv4 and IPv6**:
\ No newline at end of file
diff --git a/lab-5/main.tf b/lab-5/main.tf
new file mode 100644
index 0000000..bafa8dc
--- /dev/null
+++ b/lab-5/main.tf
@@ -0,0 +1 @@
+resource "aws_vpc" "lab5_vpc"
\ No newline at end of file
diff --git a/mise.toml b/mise.toml
index 168f044..c11424f 100644
--- a/mise.toml
+++ b/mise.toml
@@ -2,6 +2,7 @@
 aws-cli = 'latest'
 pandoc = 'latest'
 terraform = 'latest'
+infracost = 'latest'
 
 # Also required: 
 # - bitwarden CLI
@@ -30,3 +31,8 @@ aws ec2 stop-instances --instance-ids $TF_VAR_EC2_INSTANCE_ID --region us-east-2
 run = """
 aws ec2 start-instances --instance-ids $TF_VAR_EC2_INSTANCE_ID --region us-east-2
 """
+
+[tasks.costs]
+run = """
+infracost breakdown --path .
+"""
diff --git a/terraform/.infracost/pricing.gob b/terraform/.infracost/pricing.gob
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diff --git a/terraform/.infracost/terraform_modules/manifest.json b/terraform/.infracost/terraform_modules/manifest.json
new file mode 100644
index 0000000..a8e3552
--- /dev/null
+++ b/terraform/.infracost/terraform_modules/manifest.json
@@ -0,0 +1 @@
+{"Path":".","Version":"2.0","Modules":[]}
\ No newline at end of file