Last year Vaughn Corporation had sales of $315-000 and a net income of.docx

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Last year Vaughn Corporation had sales of $315,000 and a net income of $17,832, and its year-end assets were $210,000. The firm\'s total-debt-to-total-assets ratio was 42.5%. Bases on the Du Pont equation, what was Vaughn\'s ROE? Solution Based on DuPont equation , .

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Last year Vaughn Corporation had sales of $315-000 and a net income of.docx

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import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.Scanner; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class encryptFile { // The crypt() function encrypts or decrypts a byte array input, using // an 16-byte initialization vector (init), 16-byte password (pass), // and an integer mode (either Cipher.ENCRYPT_MODE or Cipher.DECRYPT_MODE) public static byte[] crypt(byte[] input, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The cryptFile() function opens a file at a specified string path, // then passes in the init, pass, and mode values to the crypt() function // to either encrypt or decrypt the contents of the file. It then writes // the encrypted or decrypted data back to the file. Note that it should // overwrite the existing file - so don't try it on a file that's actually // worth anything! public static void cryptFile(String path, byte[] init, byte[] pass, int mode) { // TODO - Fill this out. } // The menu() function provides a user interface for the script. It should // prompt the user to enter a file path, 16-byte initialization vector, // 16-byte password, and a mode (encrypt or decrypt). If the password or // initialization vector are too short or too long, the function should // re-prompt the user to re-enter the value. public static void menu() { // TODO - Fill this out. } // Just need to call the menu() function here public static void main(String[] args) { // Tests for crypt(); byte[] plain = "Hello World".getBytes(); byte[] pass = "aaaabbbbccccdddd".getBytes(); byte[] init = "gggggggggggggggg".getBytes(); byte[] cipher = crypt(plain, init, pass, Cipher.ENCRYPT_MODE); byte[] decrypted = crypt(cipher, init, pass, Cipher.DECRYPT_MODE); // This should print "Hello World" System.out.println(new String(decrypted)); // Uncomment below to test menu section once complete //menu(); } } than ideal - you generally want to use standardized implementations of cryptographic functions, as it's much less likely that they'll have internal defects or flaws that pose a security risk. For this lab, we'll use the javax.crypto libraries in Java. These libraries provide access to a number of cryptographically-related functions, including the ability to encrypt in AES and DES. A skeleton file has been provided called encryptFile.java. The crypt() function The first function we'll complete is the crypt() function. This function takes three byte arrays: an input, which is either a ciphertext or plaintext, a init, which is a 16 -byte initialization vector (for Chaining Block Mode), and a pass, which is a 16 -byte key. It also takes a mode, which is an integer. The Cipher module includes the modes declared as final static integers: Cipher.ENCRYPT_MODE Cipher.DECRYPT_MODE Inside the function, the first thing we need to do is pass the initializ.

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Iloginning rav materiala invantoing siding favimaceriala inventory Difreet labest dear intiotial frorobaaeit Deporociation on factory aquipmant Factory repalym and thaintenance beginning finiahed goode invencory Fnding finiehed gooda invencory Eegifhing wark in piocana inventiory Inding work in proces in inentory. 5,000 4,500 12,750 7,300 7,000 3,800 10,700 9,400 6,200 6,300 Muttiple chasce. Ostees ossces oseces Oribes bested .

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