diff --git a/0821/README.md b/0821/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..4d192aa0000de36660caa5fde7ae197812bf5e1b
--- /dev/null
+++ b/0821/README.md
@@ -0,0 +1,7 @@
+# Dynamic test
+
+### MC/DC
+
+![MC_DC](../Images/MC_DC.png)
+
+ArrayTest, inputVarTest의 MC/DC를 100%까지 향상시켰다.
\ No newline at end of file
diff --git a/Images/MC_DC.png b/Images/MC_DC.png
new file mode 100644
index 0000000000000000000000000000000000000000..b0de5ad25d8a50a7dc48b5a74257091eb55ac3ae
Binary files /dev/null and b/Images/MC_DC.png differ
diff --git a/README.md b/README.md
index 613ed2cd8b9f2b7ecf333b619d8b0b9d69bfa978..2d382563b5893082c83550b614cce4e6a9bb4050 100644
--- a/README.md
+++ b/README.md
@@ -530,4 +530,10 @@ led orange blinked 3 times
 
 ![coverage](./Images/coverage.png)
 
-ArrayTest, inputVarTest, staticVarTest의 coverage를 100%까지 향상시켰다.
\ No newline at end of file
+ArrayTest, inputVarTest, staticVarTest의 coverage를 100%까지 향상시켰다.
+
+### MC/DC
+
+![MC_DC](./Images/MC_DC.png)
+
+ArrayTest, inputVarTest의 MC/DC를 100%까지 향상시켰다.
\ No newline at end of file