Which statement is TRUE regarding the equity method of accounting?

a$)$ The investor's investment changes directly in relation to the changes in the associate$$s equity accounts.

b$)$ The equity method records unrealized gains and losses from revaluations to fair value in net income.

c$)$ The equity method is applied for non$-$strategic investments to report gains or losses.

d$)$ The investor's share of the associate$$s declared dividends is reported as revenue.