Daniel is a front$-$desk manager at Refington Hotel, a mid$-$market hotel. During Daniel's shift last week, he received $29$ customer complaints. A total of $428$ guests had stayed in the hotel that week. Given this information, find out the errors per million opportunities.

$14758620$ errors per million opportunities

$67757$ errors per million opportunities

$23456$ errors per million opportunities

$400$ errors per million opportunities