Jan. 2 Stockholders invested $15,000 cash in the business in exchange for common stock. 3 Purchased used car for $8,200 cash for use in the business. 9 Purchased supplies on account for $500. 11 Billed customers $1,800 for services performed. 16 Paid $200 cash for advertising. 20 Received $780 cash from customers billed on January 11. 23 Paid creditor $300 cash on the balance owed. 28 Declared and paid a $500 cash dividend.
For each transaction, indicate the following.
a. The basic type of account debited and credited (Asset, Liability, Stockholders’ Equity).
b. The specific account debited and credited (Cash, Rent Expense, Service Revenue, etc.).
c. Whether the specific account is increased or decreased.
d. The normal balance of the specific account.

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.