Trent Automobiles was expecting a large shipment of metal the previous week. But three weeks later, the shipment still hadn't arrived. A lot of time was lost and the expenses shot up. This will result in a lack of:

Efficiency

Explanation:

Trent Automobiles was expecting a large shipment of metal the previous week. But three weeks later, the shipment still hadn't arrived. A lot of time was lost and the expenses shot up. This will result in a lack of: lack of efficiency. Due to the delay in the arrival of the shipment, there has been wastage of time and money, this is typically a lack of efficiency. Efficiency has to do with proper management of energy, time, labour, effort and other resources to avoid wastage, the delay of the shipment has resulted in wastage of time, resources and effort of Trent Automobiles which can be termed as a lack of efficiency.

explanation:

may i ask what challenges?