Agroup of shoe manufacturing firms purchases raw materials collectively from a single supplier to obtain better deals. this is an example of obtaining competitive advantage by

Economies of scale.

Explanation: this economies of scale helps for more subsidized cost of buying in bulk. Helps for discounts and all. So, firms come together to achieve that economies of scale in order to tap into the benefits of bulk purchases.

question 1:

senate and house of representatives

i would try to answer the second question but i’m not 100% positive but i hope i

buildings

explanation: