"Normally 200,000 buyers, hailing from just about every country, would have flocked to the Canton Fair, the

world's biggest trade show. This year, because of the pandemic, it was conducted entirely online, running for

ten days and ending on June 24th. (...) Some 25,000 exhibitors hosted live-streams, often from their factories,

chatting to anyone interested in their products. (...) Take Sowind, a maker of household-cleaning tools - one

of the companies at the virtual Canton Fair. In a live-stream, Ivy, a young saleswoman, tailored her pitch to

the grim viral reality: "You don't need to touch the soap dispenser, so you can avoid cross-infections."

Contacted after her broadcast, Ivy said that customers in Europe and America were buying thousands."

(taken from the article "The world's factory", The Economist, June 27th 2020)

Consider the example of one of these exhibitors that participated in a fair like the one described above (you

can use the same example as the text suggested, a business making household-cleaning tools.

a. Discuss what can be the expected result of the firms in the perfectly competitive market ,that is, that can be the expected Nash Equilibrium solution for the type of firm above.