Suppose the camera shop in exercise 4 can obtain at most ten a76 batteries but can get at least 30 of each of the other types.
A. How many ways can a total inventory of 30 batteries be distributed among the eight different types? B. Supposed that in addition to being able to obtain only ten A76 Batteries, the store can get only of type D303. How many ways can a total inventory of 30 batteries be distributed among the eight different types?