High income individuals eat out more often, and may thus be impacted to a greater extent by restaurant smoking bans. In this case, the marginal effect of income on number of cigarettes smoked may differ in states with and without smoking bans. Using a single regression model, run a regression in Stata that allows for this possibility and interpret each coefficient.

Exercise 7-7 martinez company reports the following financial information before adjustments. dr. cr. accounts receivable $168,900 allowance for doubtful accounts $3,200 sales revenue (all on credit) 849,300 sales returns and allowances 50,440 prepare the journal entry to record bad debt expense assuming martinez company estimates bad debts at (a) 4% of accounts receivable and (b) 4% of accounts receivable but allowance for doubtful accounts had a $1,550 debit balance. (if no entry is required, select "no entry" for the account titles and enter 0 for the amounts. credit account titles are automatically indented when the amount is entered. do not indent manually.)