It has been found that a worker new to the operation of a certain task on the assembly line will produce P(t) items on day t, where P(t)=28-28e^-0.4t How many items will be produced on the 1st day, and what is the maximum number of items, according to the function, the worker can produce?

1. The worker will produce __ items on the first day.

2. The maximum number of items the worker will produce is __.