13. Suponga que se realizan pagos bimestrales de \( \$ 25 \) cada uno desde el 1 de junio de 2003 hasta el 1 de abril de 2009. Calcule el valor de la serie de pagos: a) Dos meses antes del primero pago a una tasa de interés \( i=0.06 \). b) Ocho meses antes del primer pago a una tasa de interés \( i^{(4)}=0.08 \)

A store sells \( Q \) units of a product per year. It costs \( d \) dollars to store one unit for a year. To reorder, there is a fixed cost of b dollars, plus c dollars for each unit. How many times per year should the store reorder, and in what lot size, in order to minimize inventory costs? Use the general solution to find how many times per year a store should reorder, and in what lot size, when \( Q=100, d=\$ 10, b=\$ 20 \), and \( c=\$ 14 \).

5) Calcular a cuánto asciende el interes simple producido por un capital de \( \$ 25.000 \) pesos invertido durante 4 años a una tasa del \( 6 \% \) anual 6) Calcula el interés simple de un capital de 29.000 invertido durante 89 dias al \( 4 \% \)

2) Hace 4 años se pidio un préstamo de \( \$ 700000 \) y la cantidad iagada al terminar el periodo del préstamo han sido \( \$ 950.000 \) ¿Qué tasa de intere, se le aplico? 3) Después de 3 años, un banco ha paqado en concepto de inter s la cantidad des

A college foundation raises funds by selling 600 raffle tickets for a new car worth \( \$ 46,000 \) at \( \$ 140 \) each. (a) Find the expected net winnings of a person buying one of the tickets. (b) Find the total profit for the foundation, assuming they had to purchase the car. (c) Find the total profit for the foundation, assuming the car was donated. (a) The expected net winnings are \( \$-63.33 \). (Round to the nearest hundredth as needed.) (b) Assuming they had to purchase the car, the total profit for the foundation is \( \$ \) (Simplify your answer.)

3. Mika opened a bank account that earns simple interest with an initial deposit of \( \$ 2,200 \). She made no other transactions throughout the year. At the end of the year, Mika had \( \$ 2,260.50 \) in her account. What was the simple interest rate?