st Prep A new mobile device has a value of \( \$ 256.25 \). Its value changes by \( -22 \frac{1}{2} \% \) each year. What is the value of the phone after two years? \( \begin{array}{ll}\text { (A) } \$ 140.93 & \text { (C) } \$ 153.91 \\ \text { (B) } \$ 198.59 & \text { (D) } \$ 57.66\end{array} \)

A Lei de Directrizes Orçamentárias (LDO) é um instrumento que auxilia no planeamento orçamentário das entidades públicas brasileiras, a partir das disposições constitucionais e legais. Considerando tais disposições, é correto afirmar que a LDO deve: a. Apresentar o orçamento fiscal para cada poder e órgão da administraçâo direita b. Apresentar o orçamento de investimento das empresas estatais c. Dispor sobre as alteraçōes na legislação tributária.

1. A metal fabricator purchased four machines to do his work at a total value of \( \$ 20800 \). His stock is valued at \( \$ 4970 \), and cash in hand \( \$ 730 \). He has a debt of \( \$ 6500 \). His capital is:

A capital of \( € 42000 \) is paid into a bank with a \( 5 \% \) annual interest rate. How much money will there be after a year? And after two years? And after three years?

A retail outlet for calculators sells 720 calculators per year. It costs \( \$ 2 \) to store one calculator for a year. To reorder, there is a fixed cost of \( \$ 5 \), plus \( \$ 2.35 \) for each calculator. How many times per year should the store order calculators, and in what lot size, in order to minimize inventory costs?

4. If a business's revenue is \( \$ 3,421.31 \) and its COGS is \( \$ 921.62 \), what is the profit? A. \( \$ 2,499.69 \) B. \( \$ 4,342.93 \) C. \( \$ 2,299.69 \) D. \( \$ 4,499.69 \)