A company (PT Farma) engaged in the production of COVID-19 PPE. Company In marketing the product, there are three choices of promotional media, namely: newspapers, television, internet. Estimated results of increased sales based on market research performed from each media shown in the following table:

Ad frequency per week (Shown Times)

Sales increase on TV (units/week)

Sales increase on the Newspaper (units/week)

Sales increase on the Internet (units/week)

1	40.000	15.000	20.000
2	30.000	13.000	15.000
3	22.000	10.000	12.000
4	18.000	9.000	10.000
5	14.000	6.000	8.000
6	10.000	4.000	6.000
7	7.000	3.000	5.000
8	4.000	2.000	3.000
9	2.000	1.000	2.000
10	1.000	0	1.000

Price (cost) of advertising on television, newspapers and the Internet, respectively are: Rp. 300 per show, Rp. 100 per show, and Rp. 200 per show.

1. If the advertising expenditure budget of PT Farma is IDR 2,300 per week, then how PT Farma should allocate advertising spending budget among the three options the advertising medium?
2. Show that the allocation options above will maximize the total increase in PPE sales per week. How much is the total increase in PPE sales per week based on choices in points a above?
3. If PT Farma's advertising spending budget is reduced to IDR 1,100 per week, while the price (cost) of advertising on the three media is constant, then how? allocation of choices from the three advertising media in order to maximize the total increase in PPE sales Covid-19. What is the total increase in sales of Covid-19 PPE per week after the decline the advertising expenditure budget of PT Farma?

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