Total cost = Computer + Printer + Camera.<br><br>The diagram shows the three items adding up to $2000.<br><br>&bull; Printer + Camera = $650 + $299 = $949<br>&bull; Computer = $2000 &minus; $949 = $1051<br><br>The computer costs $1051.<br>Check: $1051 + $650 + $299 = $2000. &#10003;