Anyone please explain this question

2. Lake acquired a controlling interest in Boxwood several years ago. During the current fiscal period, the two companies individually reported the following income (exclusive of any investment income): Lake paid a $90,000 cash dividend during the current year, and Boxwood distributed $10,000. Boxwood sells inventory to Lake each period. Intra-entity gross profits of $18,000 were present in Lake's beginning inventory for the current year, and its ending inventory carried $32,000 in intra-entity gross profits. View each of the following questions as an independent situation. The effective tax rate for both companies is 21 percent. a. If Lake owns a 60 percent interest in Boxwood, what total income tax expense must be reported on a consolidated income statement for this period? b. If Lake owns a 60 percent interest in Boxwood, what total amount of income taxes must be paid by these two companies for the current year? c. If Lake owns a 90 percent interest in Boxwood and a consolidated tax return is filed, what amount of income tax expense would be reported on a consolidated income statement for the year