In X8, Erin had the following capital gains (losses) from the sale of her investments: $2,000 LTCG, $25,000 STCG, ($9,000) LTCL, and ($15,000) STCL. What is the amount and nature of Erin's capital gains and losses?

a. $3,000 net short-term capital gain
b. $3,000 net long-term capital loss
c. $4,000 net short-term capital gain
d. $4,000 net long-term capital loss
e. None of these

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer