At the beginning of the year, Buxton Builders purchased raw materials in the amount of $15,000 to produce goods to sell. Buxton paid cash. What is effect of this transaction on the accounting equation? (If a box is not used in the table leave the box empty; do not enter a zero. Enter a decrease in account with a minus sign or parentheses. Abbreviations used: Acc. OCI=Accumulates Other Comprehensive Income; Beg. R/E=Beginning Retained Earnings; Cap=Contributed Capital; RM=Materials.) Asserts= Liabilities + Stockholders' Equity _________________________________________________ Cash+ RM= Liabilities + Contr. Cap. + Acc OCI+ ____________________________________________________ Beg R/E + Revenues and Gains -Expenses and Losses -Dividends Declared ______________________________________________________