Necesito ayuda con estos ejercicios de economa, me los pueden explicar por favor

1.Una comercializadora de medicamentos local tiene estas promociones on-line con la expectativa de aumentar sus ventas:

Gripe hasta el 40% de descuento, Belleza hasta el 50% de descuento. Qu principio general de la economa le lleva a hacer este tipo de anuncio? Menciona un principio y explcalo (3 lneas mximo)

2. Los jvenes de la escuela de Odontologa de la Universidad Central del Ecuador organizaron un baile por las fiestas de la ciudad. La capacidad del local era de 500 personas. Entre alimentos, y bebidas para la venta, ms el costo del DJ, haban gastado $2.500. El costo de la entrada era de $5 y el local se llen a las 20h00. Los organizadores fueron responsables y las recaudaciones salieron segn lo esperado. Un grupo de 50 estudiantes de otra facultad quiso ingresar a la fiesta a las 12 de la noche y s haba espacio. Sin embargo, argumentaban que su entrada deba costar 50% del valor inicial y el consumo dentro del local. Los organizadores aceptaron el trato con gusto. 2.1Qu principio de la economa estn utilizando? 2.2 Con esta decisin, Qu sucede con los ingresos?

3."Bolsos, correas y zapatos son confeccionados con billetes de baja denominacin de bolvares venezolanos". La noticia es de un reportaje de la cadena NTN24 en 2018.

3.1Mencione el principio de la economa que explicara este fenmeno (2 lneas).

4.Para la discusin: Revise la historia de "Los quehaceres domsticos se reparten mal", escrita por Emily Oster (Libro de Mankiw, Cap.2). 4.1 Responda: Qu principio econmico requerimos para definir quin realiza qu tarea en el hogar, en los quehaceres domsticos? (1 lnea para el principio). 4.2 Diga en 3 lneas quin debera hacer qu en las tareas domsticas de su hogar.

english translation

I need help with these economics exercises, can you please explain them to me?

1.A local drug marketer has these on-line promotions with the expectation of increasing their sales:

Flu up to 40% off, Beauty up to 50% off.What general principle of economics leads you to make this type of advertisement? Mention one principle and explain it (3 lines maximum).

2. Young people from the dental school of the Central University of Ecuador organized a dance for the city's festivities. The capacity of the place was 500 people. Between food and drinks for sale, plus the cost of the DJ, they had spent $2,500. The entrance fee was $5 and the place was full by 8:00 pm. The organizers were responsible and the proceeds went as expected. A group of 50 students from another faculty wanted to enter the party at 12:00 p.m. and there was space. However, they argued that their entrance fee should be 50% of the initial cost and consumption inside the venue. The organizers gladly accepted the deal. 2.1 What principle of economics are they using? 2.2 With this decision, what happens to the revenue?

3. "Bags, belts and shoes are made with low denomination Venezuelan bolivar bills". The news is from a report by NTN24 channel in 2018.

3.1Name the principle of economics that would explain this phenomenon (2 lines).

4.For discussion: review the story of "Household chores are misshared", written by Emily Oster (Mankiw's Book, Ch.2). 4.1 Answer: What economic principle do we require to define who performs what task in the household, in household chores? (1 line for the principle). 4.2 Say in 3 lines who should do what in household chores in your household.