diff --git a/src/app.js b/src/app.js
index b6d1198..c74f500 100644
--- a/src/app.js
+++ b/src/app.js
@@ -48,32 +48,30 @@ const Controls =()=>
const Audiogram =()=>
{
const [State] = Store.Consumer();
-
- /** @type {(inAmount:number)=>string} */ const Perc =(inAmount)=> (inAmount*100)+"%";
- const testMarksL = State.Draw.TestL.Points.map(p=>html`<${UI.Mark} x=${Perc(p.X)} y=${Perc(p.Y)} response=${p.Mark.Resp} right=${false}/>`);
- const userMarksL = State.Draw.UserL.Points.map(p=>html`<${UI.Mark} x=${Perc(p.X)} y=${Perc(p.Y)} response=${p.Mark.Resp} right=${false} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
- const testMarksR = State.Draw.TestR.Points.map(p=>html`<${UI.Mark} x=${Perc(p.X)} y=${Perc(p.Y)} response=${p.Mark.Resp} right=${true} />`);
- const userMarksR = State.Draw.UserR.Points.map(p=>html`<${UI.Mark} x=${Perc(p.X)} y=${Perc(p.Y)} response=${p.Mark.Resp} right=${true} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
+ const testMarksL = State.Draw.TestL.Points.map(p=>html`<${UI.Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${false}/>`);
+ const userMarksL = State.Draw.UserL.Points.map(p=>html`<${UI.Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${false} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
+ const testMarksR = State.Draw.TestR.Points.map(p=>html`<${UI.Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${true} />`);
+ const userMarksR = State.Draw.UserR.Points.map(p=>html`<${UI.Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${true} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
- const testLinesL = State.Draw.TestL.Paths.map( p=>html``);
- const userLinesL = State.Draw.UserL.Paths.map( p=>html``);
- const testLinesR = State.Draw.TestR.Paths.map( p=>html``);
- const userLinesR = State.Draw.UserR.Paths.map( p=>html``);
+ const testLinesL = State.Draw.TestL.Paths.map( p=>html``);
+ const userLinesL = State.Draw.UserL.Paths.map( p=>html``);
+ const testLinesR = State.Draw.TestR.Paths.map( p=>html``);
+ const userLinesR = State.Draw.UserR.Paths.map( p=>html``);
return html`
-