diff --git a/img/ch09/ch10-computation-increase.png b/img/ch09/ch10-computation-increase.png
index ed8c179..261c9fb 100644
Binary files a/img/ch09/ch10-computation-increase.png and b/img/ch09/ch10-computation-increase.png differ
diff --git a/img/ch09/ch10-computation-increase.svg b/img/ch09/ch10-computation-increase.svg
index 1f21ebd..eb3d64b 100644
--- a/img/ch09/ch10-computation-increase.svg
+++ b/img/ch09/ch10-computation-increase.svg
@@ -1,91 +1 @@
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